All Online Tools
Browse image, PDF, developer, audio and everyday tools. Search by name or choose a category.
Business tools
27 ToolsGST Calculator
Add or remove GST and split tax into CGST/SGST or IGST.
Profit Margin Calculator
Compare profit, margin and markup from cost and selling price.
Print Cost Calculator
Quote photocopy and print jobs including copies, duplex sheets and binding.
Cash Denomination Counter
Count Indian notes and coins and reconcile a cash drawer.
Cash Change Calculator
Calculate change and a denomination breakdown for a cash payment.
Indian Rupees in Words
Write rupee amounts in English using lakh, crore and paise.
Simple Interest Calculator
Calculate simple interest and total repayment at a stated annual rate.
Compound Interest Calculator
Estimate compound growth at a selected compounding frequency.
Break-even Calculator
Find sales volume needed to cover fixed costs and per-unit expenses.
Unit Price Comparison
Compare two packs by price per common unit before buying supplies.
Stock Reorder Calculator
Estimate when to reorder using usage, lead time and safety stock.
Service Charge Calculator
Separate third-party costs, service fees and customer advances.
Attendance Salary Calculator
Estimate prorated pay from paid days, allowances and deductions.
Marks Percentage Calculator
Total subject marks and calculate a percentage from a marksheet.
Age Eligibility Calculator
Check completed age on an application cutoff date against a stated range.
Paper Size & Print Pixels
Look up paper dimensions and calculate pixels at a selected DPI.
Image Print DPI Calculator
Calculate effective print resolution from pixels and physical dimensions.
Shop Invoice Generator
Create an itemised printable invoice with tax, advance and balance totals.
Quotation Generator
Prepare a customer quotation with prices, tax and validity terms.
Payment Receipt Generator
Make a printable acknowledgement of a payment received by your shop.
Delivery Challan Generator
List goods handed over with recipient and transport details.
Shop Expense Report
Total dated expense entries and group spending by category.
Daily Cashbook
Track cash inflows and outflows with a running closing balance.
Customer Balance Ledger
Calculate running customer dues from charges and payments.
UPI Payment QR Generator
Build a UPI payment request and downloadable QR for your payment address.
Wi-Fi QR Generator
Create a QR code for joining a wireless network by name and password.
Business Contact QR Generator
Generate a vCard contact QR with phone, email and shop address.
Image tools
67 ToolsImage Compressor
Reduce JPG, PNG and WebP file size with adjustable quality and dimensions.
Image Resizer
Resize photos by pixels or percentage, with aspect ratio controls.
Image Color Picker
Pick colors from an image and copy HEX, RGB, HSL or CMYK values.
Image Cropper
Crop an image to exact dimensions or a square, portrait or landscape ratio.
Image Rotator
Rotate a photo by 90, 180 or 270 degrees and correct its orientation.
Image Flipper
Mirror a photo horizontally, vertically or in both directions.
Photo Filters
Adjust brightness, contrast and saturation, or apply grayscale, sepia and blur.
Add Text to Image
Add captions to photos with custom size, color and placement.
Image Watermark
Add a text watermark with adjustable position, color and opacity.
Image to Base64
Encode an image as a Base64 data URI for HTML, CSS or other applications.
Photo Collage Maker
Combine up to 16 photos in a grid with custom spacing and background color.
Meme Generator
Add outlined top and bottom captions to your own photos.
Favicon Generator
Create square PNG and ICO icons from an image for your website.
Image Splitter
Divide an image into rows and columns and download all tiles in a ZIP file.
Image Format Converter
Convert images between JPG, PNG and WebP with quality controls.
Pixelate Image
Apply a pixelation effect with an adjustable block size.
Image Border
Add a solid border around a photo with custom width and color.
PNG to JPG
Convert PNG to JPG with adjustable quality and a custom transparency background.
JPG to PNG
Convert JPG or JPEG photos to lossless PNG files at their original dimensions.
WebP to JPG
Convert WebP to JPG for wider compatibility, with quality and background controls.
JPG to WebP
Convert JPG or JPEG photos to WebP with an adjustable quality setting.
PNG to WebP
Convert PNG graphics to WebP while retaining available transparent pixels.
WebP to PNG
Convert WebP images to lossless PNG files while retaining available transparency.
Grayscale Image
Convert a color photo to grayscale using weighted luminance.
Sepia Photo
Give a photo a warm sepia finish with adjustable intensity.
Invert Image Colors
Create a photographic negative by inverting RGB colors.
Black and White Threshold
Convert an image to pure black and white at a chosen brightness threshold.
Sharpen Image
Enhance local edges with an adjustable sharpening kernel.
Image Edge Detection
Create a high-contrast edge map using a Sobel filter.
Emboss Image
Apply a directional emboss filter for a raised-surface effect.
Duotone Image
Map shadows and highlights to two colors of your choice.
Posterize Image
Reduce the number of levels per color channel for a poster effect.
Photo Vignette
Darken the edges of a photo with an adjustable elliptical vignette.
Remove Image Color
Make pixels matching a chosen color transparent.
Trim Transparent Pixels
Remove fully transparent margins around a PNG or WebP image.
Round Image Corners
Give your photo rounded corners with a transparent background.
Circle Crop Image
Crop the center of a photo into a circle with transparent corners.
Image Color Palette
Extract the most common color groups from a photo.
Image Information
Inspect image dimensions, aspect ratio, file type and file size.
Image Histogram
Inspect red, green and blue brightness distributions in a photo.
Image Background Color
Place a solid color behind the transparent areas of an image.
Passport Photo Print Sheet
Arrange a portrait as repeated photos on A4 or 4 × 6 inch paper.
Signature Resizer for Forms
Trim white signature margins, set exact pixels and export a size-limited JPG.
Document Scan Cleaner
Improve a photographed document with grayscale contrast or black-and-white threshold.
ID Front and Back Print Sheet
Place front and back images of a card on one print-ready A4 sheet.
Photo Upload Requirements Checker
Check image pixels, file format and size against requirements you enter.
Photo Name and Date Label
Add a separate name and date caption strip below a photograph.
Background Remover
Automatically separate a photo subject from its background, or remove a flat backdrop by color.
Auto Enhance Photo
Expand each RGB channel’s tonal range using its measured low and high percentiles.
Photo Exposure
Adjust exposure in photographic stops by multiplying linear-light RGB.
Photo Temperature
Warm or cool a photograph by shifting red and blue channel balance.
Image Gamma Correction
Adjust midtone brightness with an adjustable power-law transfer curve.
Photo Vibrance
Boost muted colors more strongly than already saturated pixels.
Image Hue Rotation
Rotate image colors around the luminance axis while retaining alpha.
Solarize Image
Invert channel values above a chosen threshold for a solarized effect.
Halftone Image
Render local brightness as variable-radius ink dots on a paper-colored grid.
Image Outline
Add a colored outline around the alpha silhouette of a transparent image.
Image Drop Shadow
Render an offset blurred shadow behind the image alpha silhouette.
Polaroid Photo Frame
Place a photograph in a white instant-photo frame with extra space beneath.
Straighten Photo
Rotate by a precise small angle and expand the canvas to retain the corners.
Mirror Tile Image
Build a four-quadrant seamless mirror arrangement from one photograph.
Redact Image
Permanently replace a rectangular pixel region with a solid color.
Blur Image Region
Apply Gaussian blur only inside a selected rectangular image area.
Pixelate Image Region
Reduce resolution within a chosen rectangle while retaining the surrounding pixels.
Film Grain Image
Add reproducible monochrome grain with an adjustable strength and seed.
Image Reflection
Add a vertically mirrored reflection beneath the image with a fading alpha mask.
Chromatic Aberration
Offset the red and blue channels in opposite directions to create a color-fringe effect.
PDF tools
23 ToolsPDF Editor Online
Edit PDF documents directly in your browser with text editing and annotations.
JPG to PDF Converter
Convert JPG and JPEG images into clean, standardized PDF documents.
PNG to PDF Converter
Convert transparent and high-resolution PNG images into clean PDF documents.
PDF to JPG Converter
Extract and convert PDF pages into high-resolution JPG images client-side.
PDF to PNG Converter
Convert PDF pages into lossless, crystal-clear PNG images with transparency.
Merge PDF Files
Combine multiple PDF documents into a single unified PDF file.
PDF Page Extractor
Extract specific pages from a PDF document by page range.
Rotate PDF Pages
Rotate PDF document pages by 90, 180 or 270 degrees.
PDF Page Reorder
Rearrange PDF pages into a custom order.
WebP to PDF Converter
Convert WebP images into clean, portable PDF documents.
BMP to PDF Converter
Convert BMP bitmap images into compact PDF documents.
Split PDF
Split a PDF into separate page files or fixed-size groups and download a ZIP.
Delete PDF Pages
Remove selected pages while keeping the rest of the document in order.
Reverse PDF Pages
Reverse the order of a document, useful for backward-scanned print stacks.
Duplicate PDF Pages
Repeat selected PDF pages immediately after each original page.
Add PDF Page Numbers
Stamp sequential page numbers at the top or bottom of PDF pages.
PDF Watermark
Add a diagonal text watermark with custom colour, size and opacity.
Crop PDF Margins
Set PDF crop boxes to hide outer page margins without rasterising content.
Resize PDF to A4
Fit PDF pages on A4 or Letter sheets with a chosen print margin.
Flatten PDF Forms
Turn filled PDF form widgets into fixed page appearance content.
PDF Metadata Editor
Inspect and replace PDF title, author, subject and keywords.
PDF to Text
Extract selectable text page by page into a downloadable UTF-8 text file.
Compress PDF for Upload
Rebuild PDF pages as compressed JPEG images for smaller upload documents.
Developer tools
42 ToolsText to HTML List
Text to HTML List: Turn nonempty lines into escaped HTML list items.
Markdown Link Builder
Markdown Link Builder: Generate a Markdown link with escaped label brackets and encoded URL spaces.
CSV to TSV
CSV to TSV: Convert CSV separators to tabs with quoting for tabs and embedded newlines.
TSV to CSV
TSV to CSV: Parse tab-separated cells and serialize them as comma-separated CSV.
Flatten JSON
Flatten JSON: Flatten nested values into JSON Pointer paths, escaping slash and tilde in keys.
JSON Pointer Reader
JSON Pointer Reader: Resolve an RFC 6901 JSON Pointer through an object or array.
JSON Array Deduplicator
JSON Array Deduplicator: Remove repeated JSON array values using canonical object-key ordering.
Sort JSON Keys
Sort JSON Keys: Recursively alphabetize object keys while keeping array order unchanged.
Merge JSON Objects
Merge JSON Objects: Shallow-merge two JSON objects with second-object values taking precedence.
Sort JSON Object Array
Sort JSON Object Array: Sort an array of JSON objects by a scalar property using numeric-aware comparison.
HTTP Header Parser
HTTP Header Parser: Split HTTP-style header lines at the first colon and preserve repeated names.
Query String Parser
Query String Parser: Decode URL query pairs into arrays so repeated parameter names are retained.
URL Domain Extractor
URL Domain Extractor: Extract unique hostnames from complete HTTP URLs without making network requests.
Robots.txt Generator
Robots.txt Generator: Create a wildcard robots group and an absolute sitemap reference.
XML Sitemap Generator
XML Sitemap Generator: Generate sitemap XML for unique absolute HTTP page URLs.
Meta Tag Generator
Meta Tag Generator: Generate escaped title, description, canonical and Open Graph metadata.
CSS Triangle Generator
CSS Triangle Generator: Build a zero-size CSS triangle using transparent borders and one colored edge.
JSON Compare
Compare JSON values by structure and report added, removed and changed paths.
JSON Key Extractor
List nested JSON Pointer paths and value types, or unique property names.
Text to ASCII
Convert standard ASCII text into decimal or hexadecimal character codes.
ASCII to Text
Decode decimal or hexadecimal ASCII codes into text.
Base64URL Encoder
Encode Unicode text as URL-safe Base64 with optional padding.
Base64URL Decoder
Decode padded or unpadded URL-safe Base64 into UTF-8 text.
ROT13 Translator
Encode or decode ROT13 while preserving capitalization and non-Latin text.
Word Frequency Counter
Count repeated words with case handling, custom exclusions and percentage shares.
CSS Gradient Generator
Create two-color linear or radial gradients with a preview and copyable CSS.
CSS Box Shadow Generator
Preview a box shadow and generate CSS with offset, blur, spread and opacity controls.
CSS Border Radius Generator
Set four independent corners and preview the CSS border-radius declaration.
CSS Clamp Calculator
Calculate fluid font-size CSS between two viewport widths with px or rem bounds.
JSON to YAML Converter
Convert JSON data into clean, indented YAML syntax.
YAML to JSON Converter
Convert YAML configuration into formatted or compact JSON.
Markdown to HTML Converter
Convert Markdown text into semantic HTML markup with headings, code blocks and tables.
HTML to Markdown Converter
Convert HTML markup into clean, readable Markdown syntax.
SQL Formatter & Beautifier
Format messy SQL queries with clean indentation and uppercase keywords.
XML Formatter & Beautifier
Format raw or minified XML with structured hierarchy and indentation.
CSS Minifier
Compress CSS stylesheets by removing whitespace, comments and redundant units.
Cron Expression Parser
Explain cron schedule syntax in plain English and calculate upcoming run times.
Regex Tester
Test regular expressions against sample text with live match highlighting and capture groups.
CSS Unit Converter
Convert between CSS length units like px, rem, em, vw, vh and pt.
HTML Prettifier
Format and indent messy HTML code with proper nesting and readability.
JavaScript Minifier
Compress JavaScript code by removing whitespace, comments and reducing file size.
Enhanced Diff Checker
Compare two text blocks with detailed side-by-side analysis including word-level changes.
Music & Audio tools
58 ToolsAudio Cutter
Trim audio and download a selected section as a WAV file.
Voice Recorder
Record audio from your microphone and download it.
Audio Speed Changer
Change playback speed and export a faster or slower track.
Audio Volume Booster
Increase audio volume with an optional limiter.
Audio Converter
Convert supported audio to WAV or MP3 with sample rate, channel and bitrate controls.
Audio Joiner
Join audio tracks in selection order with an optional crossfade.
Audio Normalizer
Normalize audio to a chosen peak level while preserving its dynamics.
Audio Reverser
Reverse the samples in a track to create backwards audio.
Audio Fade In & Out
Add smooth fades to the beginning and end of an audio track.
Audio Equalizer
Adjust bass, midrange and treble with a three-band equalizer.
Trim Audio Silence
Remove quiet sections from the start and end of a recording.
Add Audio Silence
Add a silent lead-in and tail to your audio track.
Audio Loop Maker
Repeat an audio track a chosen number of times.
Audio Mixer
Layer two or more tracks with adjustable overall gain.
Stereo to Mono
Combine the left and right channels into one mono track.
Mono to Stereo
Duplicate a mono recording into left and right channels.
Audio Channel Extractor
Export the left or right channel of stereo audio as mono.
Swap Audio Channels
Exchange the left and right channels of a stereo track.
Invert Audio Polarity
Reverse the polarity of one or both audio channels.
Remove DC Offset
Recenter each audio channel around zero by removing its mean value.
Audio Noise Gate
Reduce quiet background sound using a threshold and smooth gain envelope.
Audio Dynamics Compressor
Reduce loud peaks using threshold, ratio, attack and release controls.
Audio Delay Effect
Add decaying echoes with adjustable delay time and feedback.
Audio Tremolo
Apply rhythmic volume modulation to an audio track.
Stereo Panner
Position a recording between the left and right speakers.
Audio Bitcrusher
Create a digital distortion effect by reducing sample precision.
Audio Low-Pass Filter
Reduce frequencies above a chosen cutoff.
Audio High-Pass Filter
Reduce frequencies below a chosen cutoff.
Slowed & Reverb Generator
Slow down audio tempo and apply lush atmospheric room reverb.
Lofi Audio Generator
Give audio a nostalgic lofi warmth with low-pass filtering and vinyl crackle.
Nightcore Generator
Speed up tracks and raise vocal pitch for energetic remixes.
Extreme Bass Booster
Boost sub-bass and low frequencies with peak-limiting protection.
8D Audio Converter
Create immersive 360-degree circular surround sound for headphones.
Vocal Remover & Karaoke Maker
Reduce center-channel lead vocals while preserving punchy bass and drums.
Stereo Audio Widener
Expand audio soundstage and spatial stereo dimension using Haas psychoacoustics.
Audio Pitch Shifter
Transpose musical pitch up or down without changing playback speed or tempo.
3D Audio
Add headphone space with short inter-channel delays and adjustable stereo width.
Auto Panner
Move audio between the left and right speakers with a smooth adjustable pan cycle.
Audio Noise Reducer
Reduce steady background hiss using a sampled noise profile and spectral attenuation.
Audio Reverb
Add room ambience with adjustable decay, wet mix, pre-delay and high-frequency damping.
Audio Tempo Changer
Change musical tempo while retaining the original pitch with overlap-add time stretching.
BPM Detector
Estimate a song’s beats per minute and compare alternate tempo candidates.
Audio Downmixer
Reduce multichannel audio to a mono or stereo WAV using speaker-layout mixing.
Audio Spectrogram Image
Export a frequency-versus-time spectrogram PNG from your recording.
Audio Waveform Image
Create a clean waveform PNG showing audio amplitude across the whole track.
440 Hz to 432 Hz Converter
Shift a 440 Hz-tuned recording down by 31.77 cents while retaining its duration.
Very Light Bass Boost
Apply a 2 dB low-shelf bass preset, then fine-tune the frequency and intensity.
Light Bass Boost
Apply a 4 dB low-shelf bass preset, then fine-tune the frequency and intensity.
Moderate Bass Boost
Apply a 7 dB low-shelf bass preset, then fine-tune the frequency and intensity.
Heavy Bass Boost
Apply a 11 dB low-shelf bass preset, then fine-tune the frequency and intensity.
Extreme Bass Boost
Apply a 16 dB low-shelf bass preset, then fine-tune the frequency and intensity.
Vocal Reverb
Create vocal ambience with a 1.4-second decay preset and editable room controls.
Bathroom Reverb
Create bathroom ambience with a 0.8-second decay preset and editable room controls.
Small Room Reverb
Create small room ambience with a 0.5-second decay preset and editable room controls.
Medium Room Reverb
Create medium room ambience with a 1.2-second decay preset and editable room controls.
Large Room Reverb
Create large room ambience with a 2.4-second decay preset and editable room controls.
Church Hall Reverb
Create church hall ambience with a 4-second decay preset and editable room controls.
Cathedral Reverb
Create cathedral ambience with a 6.5-second decay preset and editable room controls.
Utility tools
449 ToolsQR Code Generator
Create a downloadable QR code for a link or text.
Password Generator
Generate random passwords with custom length and character sets.
Word Counter
Count words, characters and estimated reading time.
Age Calculator
Calculate age in years, months and days from a birth date.
FD Maturity Calculator
Calculate a cumulative FD with actual deposit dates, quarterly compounding and broken-period interest.
Loan Prepayment Calculator
Compare a shorter loan tenure with a lower EMI, including interest savings, charges and repayment schedule.
HRA Exemption Calculator
Find exempt and taxable HRA using salary, rent, tax regime and the applicable 2025–26 or 2026–27 city rules.
Rent Receipt Generator
Prepare a clean rent receipt with payment details, rental period and landlord acknowledgement space; print or save as PDF.
GSTIN Format & Checksum Checker
Check up to 200 regular GSTINs for typing errors, state codes, embedded PAN structure and checksum mismatches.
CGPA & SGPA Calculator
Calculate credit-weighted SGPA from subjects or CGPA from semesters, with a transparent row-by-row breakdown.
Negative Marking Calculator
Estimate section-wise exam scores, marks lost and accuracy using your test’s positive and negative marking rules.
Attendance Calculator
Find how many classes you must attend to reach your target and whether recovery is possible before the term ends.
Net Present Value Calculator
Net Present Value Calculator: NPV discounts each future annual cash flow and subtracts the upfront investment.
Debt Payoff Calculator
Debt Payoff Calculator: Monthly debt payoff uses the annuity logarithm for a constant interest rate and fixed payment.
SIP Calculator
SIP Calculator: Monthly contributions grow at the equivalent monthly rate derived from the annual return.
CAGR Calculator
CAGR Calculator: CAGR equals ((ending value / starting value)^(1 / years) − 1) × 100.
Return on Investment Calculator
Return on Investment Calculator: ROI divides net gain by investment cost and expresses it as a percentage.
Binomial Probability Calculator
Binomial Probability Calculator: Binomial probability multiplies n choose k by p^k and (1−p)^(n−k).
Markup Calculator
Markup Calculator: Selling price equals cost multiplied by one plus the markup fraction.
Successive Discount Calculator
Successive Discount Calculator: Sequential discounts multiply the remaining price fractions rather than adding percentages.
Inflation Calculator
Inflation Calculator: Future cost grows with inflation while present purchasing power declines by the same factor.
Doubling Time Calculator
Doubling Time Calculator: Exact doubling time is log(2) divided by log(1 + annual growth).
Loan Affordability Calculator
Loan Affordability Calculator: Present value of a level monthly annuity gives the supported loan principal.
Flat Rate Loan Calculator
Flat Rate Loan Calculator: Flat interest is charged on the initial principal for the whole term.
Savings Goal Calculator
Savings Goal Calculator: Required monthly saving divides the remaining goal by months available.
Salary to Hourly Calculator
Salary to Hourly Calculator: Hourly pay divides annual salary by paid working hours.
Overtime Pay Calculator
Overtime Pay Calculator: Overtime earnings multiply extra hours by the chosen premium rate.
Commission Calculator
Commission Calculator: Commission is a percentage of sales plus any entered base pay.
Unit Price Calculator
Unit Price Calculator: Unit price divides pack cost by the number of equal units.
Fuel Cost Calculator
Fuel Cost Calculator: Fuel used equals distance divided by kilometres per litre.
Fuel Economy Calculator
Fuel Economy Calculator: Fuel economy can be expressed as kilometres per litre or litres per 100 kilometres.
Travel Time Calculator
Travel Time Calculator: Travel duration adds planned breaks to distance divided by average speed.
Running Pace Calculator
Running Pace Calculator: Pace is elapsed minutes per kilometre and speed is distance per hour.
Race Time Predictor
Race Time Predictor: The Riegel estimate scales time by the distance ratio raised to 1.06.
Body Surface Area Calculator
Body Surface Area Calculator: The Mosteller formula estimates area as sqrt(height × weight / 3600).
BMR Calculator
BMR Calculator: Mifflin–St Jeor resting energy is 10w + 6.25h − 5y plus the sex-specific constant.
TDEE Calculator
TDEE Calculator: Estimated daily energy multiplies entered resting energy by activity factor.
Waist to Height Ratio
Waist to Height Ratio: Waist-to-height ratio divides two measurements in the same unit.
Weighted Average Calculator
Weighted Average Calculator: Weighted mean divides the sum of value × weight by total weight.
Median Calculator
Median Calculator: The median is the middle sorted value, or the mean of the two central values.
Mode Calculator
Mode Calculator: Modes are the values that share the greatest occurrence count.
Standard Deviation Calculator
Standard Deviation Calculator: Standard deviation is the square root of variance with n or n−1 denominator.
Percentile Calculator
Percentile Calculator: Inclusive linear interpolation uses index (n−1) × percentile / 100.
Z Score Calculator
Z Score Calculator: Z score measures the signed distance from the mean in standard deviations.
Coefficient of Variation Calculator
Coefficient of Variation Calculator: Coefficient of variation is population standard deviation divided by the mean.
Correlation Calculator
Correlation Calculator: Pearson correlation divides covariance sum by the product of centred vector lengths.
Linear Regression Calculator
Linear Regression Calculator: Least-squares regression fits y = slope × x + intercept.
Geometric Mean Calculator
Geometric Mean Calculator: Geometric mean is exp(mean(log(values))) for strictly positive values.
Harmonic Mean Calculator
Harmonic Mean Calculator: Harmonic mean equals n divided by the sum of reciprocal values.
Root Mean Square Calculator
Root Mean Square Calculator: RMS is sqrt(mean of squared values).
GCD Calculator
GCD Calculator: Euclid’s algorithm computes the greatest common divisor of exact integers.
LCM Calculator
LCM Calculator: LCM combines integers with |a × b| / gcd(a,b).
Prime Number Checker
Prime Number Checker: Trial division checks possible factors through the square root.
Prime Factorization Calculator
Prime Factorization Calculator: Repeated division decomposes a positive integer into prime powers.
Factorial Calculator
Factorial Calculator: Factorial multiplies every integer from 1 through n using exact BigInt arithmetic.
Permutation Calculator
Permutation Calculator: Ordered selections equal n! / (n−r)!.
Combination Calculator
Combination Calculator: Unordered selections equal n! / (r! × (n−r)!).
Fibonacci Calculator
Fibonacci Calculator: Each Fibonacci number adds its two predecessors, starting with 0 and 1.
Quadratic Equation Solver
Quadratic Equation Solver: The discriminant b²−4b determines real or complex roots of ax²+bx+c=0.
Two Variable Linear Solver
Two Variable Linear Solver: Cramer’s rule solves two independent simultaneous linear equations.
Logarithm Calculator
Logarithm Calculator: Change of base computes log(value) / log(base).
Nth Root Calculator
Nth Root Calculator: The nth real root reverses exponentiation by a positive integer.
Scientific Notation Converter
Scientific Notation Converter: Scientific notation separates a mantissa from a power of ten.
Rounding Calculator
Rounding Calculator: Decimal rounding compares nearest, floor and ceiling at the chosen precision.
Modulo Calculator
Modulo Calculator: Euclidean modulo gives a nonnegative remainder for a nonzero integer divisor.
Arithmetic Sequence Calculator
Arithmetic Sequence Calculator: An arithmetic sequence adds a constant difference between consecutive terms.
Geometric Sequence Calculator
Geometric Sequence Calculator: A geometric sequence multiplies each term by a fixed common ratio.
Pythagorean Theorem Calculator
Pythagorean Theorem Calculator: A right triangle satisfies hypotenuse² = leg a² + leg b².
Triangle Area Calculator
Triangle Area Calculator: Heron’s formula computes area from three side lengths and the semiperimeter.
Circle Calculator
Circle Calculator: Circle area is πr² and circumference is 2πr.
Rectangle Calculator
Rectangle Calculator: Rectangle area multiplies length and width; diagonal uses the Pythagorean theorem.
Trapezoid Area Calculator
Trapezoid Area Calculator: Trapezoid area equals half the sum of parallel sides times height.
Ellipse Calculator
Ellipse Calculator: Ellipse area is πab and perimeter uses Ramanujan’s approximation.
Regular Polygon Calculator
Regular Polygon Calculator: A regular polygon area is ns² / (4 tan(π/n)).
Sphere Calculator
Sphere Calculator: Sphere volume is 4πr³/3 and surface area is 4πr².
Cylinder Calculator
Cylinder Calculator: Cylinder volume is base area times height and total surface includes two circles.
Cone Calculator
Cone Calculator: Cone volume is one third of its corresponding cylinder.
Cuboid Calculator
Cuboid Calculator: Cuboid volume multiplies three dimensions; surface area sums all six faces.
Circle Sector Calculator
Circle Sector Calculator: A circle sector takes angle / 360 of the full area and circumference.
Slope Calculator
Slope Calculator: Slope equals change in y divided by change in x.
Distance Between Points
Distance Between Points: Euclidean distance uses the square root of squared coordinate differences.
Ohms Law Calculator
Ohms Law Calculator: Ohm’s law gives current I = V/R and resistive power P = V²/R.
Parallel Resistance Calculator
Parallel Resistance Calculator: Parallel resistance is the reciprocal of the sum of conductances.
Electrical Power Calculator
Electrical Power Calculator: Single-phase real power equals RMS voltage × RMS current × power factor.
Battery Runtime Calculator
Battery Runtime Calculator: Estimated runtime divides usable watt-hours by constant load watts.
LED Resistor Calculator
LED Resistor Calculator: Series resistance drops the supply-to-LED voltage difference at the target current.
Voltage Divider Calculator
Voltage Divider Calculator: An unloaded divider outputs Vin × R2 / (R1+R2).
RC Time Constant Calculator
RC Time Constant Calculator: RC time constant τ equals resistance times capacitance in farads.
Frequency and Period Calculator
Frequency and Period Calculator: Period is the reciprocal of frequency.
Wavelength Calculator
Wavelength Calculator: Wavelength equals propagation speed divided by frequency.
Kinetic Energy Calculator
Kinetic Energy Calculator: Classical kinetic energy equals half mass times velocity squared.
Potential Energy Calculator
Potential Energy Calculator: Gravitational potential energy near a surface is mass × gravity × height difference.
Force Calculator
Force Calculator: Newton’s second law relates net force to mass times acceleration.
Pressure Calculator
Pressure Calculator: Pressure divides normal force by contact area.
Density Calculator
Density Calculator: Density equals mass divided by volume.
Work Calculator
Work Calculator: Mechanical work is force × displacement × cosine of their angle.
Acceleration Calculator
Acceleration Calculator: Average acceleration is the velocity change divided by elapsed time.
Free Fall Calculator
Free Fall Calculator: A release from rest gives time sqrt(2h/g) and impact speed sqrt(2gh).
Heat Energy Calculator
Heat Energy Calculator: Sensible heat transfer equals mass × specific heat × temperature change.
Ideal Gas Calculator
Ideal Gas Calculator: Ideal gas pressure follows P = nRT/V using R = 8.314462618.
Dilution Calculator
Dilution Calculator: Conservation of solute gives stock volume C2 × V2 / of concentration C1.
Molarity Calculator
Molarity Calculator: Molarity divides moles of solute by litres of final solution.
Paint Coverage Calculator
Paint Coverage Calculator: Paint litres divide coated area by stated coverage with an optional waste allowance.
Tile Quantity Calculator
Tile Quantity Calculator: Tile count rounds up surface area divided by tile area plus waste allowance.
Concrete Volume Calculator
Concrete Volume Calculator: Slab concrete volume multiplies length, width and depth with optional allowance.
Stair Rise Calculator
Stair Rise Calculator: The nearest whole riser count divides total height into equal rises.
Roof Pitch Calculator
Roof Pitch Calculator: Roof pitch angle is atan(rise/run) and slope percentage is 100 × rise/run.
Survey Sample Size Calculator
Survey Sample Size Calculator: Cochran’s sample estimate is z²p(1−p)/e² with an optional finite population correction.
Print Size Calculator
Print Size Calculator: Physical print size divides image dimensions by target dots per inch.
Video Bitrate Calculator
Video Bitrate Calculator: Available video bitrate subtracts audio bits from total file bits per second.
Download Time Calculator
Download Time Calculator: Ideal transfer time divides decimal file megabits by connection megabits per second.
Audio File Size Calculator
Audio File Size Calculator: Uncompressed PCM bytes equal duration × sample rate × channels × bit depth / 8.
Pressure Converter
Pressure Converter: Convert pressure through the pascal: value × source factor / target factor.
Energy Converter
Energy Converter: Convert energy through the joule: value × source factor / target factor.
Power Converter
Power Converter: Convert power through the watt: value × source factor / target factor.
Force Converter
Force Converter: Convert force through the newton: value × source factor / target factor.
Torque Converter
Torque Converter: Convert torque through the newton metre: value × source factor / target factor.
Angle Converter
Angle Converter: Convert angle through the radian: value × source factor / target factor.
Frequency Converter
Frequency Converter: Convert frequency through the hertz: value × source factor / target factor.
Time Units Converter
Time Units Converter: Convert time units through the second: value × source factor / target factor.
Data Rate Converter
Data Rate Converter: Convert data rate through the bit per second: value × source factor / target factor.
Density Converter
Density Converter: Convert density through the kilogram per cubic metre: value × source factor / target factor.
Acceleration Converter
Acceleration Converter: Convert acceleration through the metre per second squared: value × source factor / target factor.
Volume Flow Rate Converter
Volume Flow Rate Converter: Convert volume flow rate through the cubic metre per second: value × source factor / target factor.
Mass Flow Rate Converter
Mass Flow Rate Converter: Convert mass flow rate through the kilogram per second: value × source factor / target factor.
Dynamic Viscosity Converter
Dynamic Viscosity Converter: Convert dynamic viscosity through the pascal second: value × source factor / target factor.
Kinematic Viscosity Converter
Kinematic Viscosity Converter: Convert kinematic viscosity through the square metre per second: value × source factor / target factor.
Electric Current Converter
Electric Current Converter: Convert electric current through the ampere: value × source factor / target factor.
Voltage Converter
Voltage Converter: Convert voltage through the volt: value × source factor / target factor.
Electrical Resistance Converter
Electrical Resistance Converter: Convert electrical resistance through the ohm: value × source factor / target factor.
Capacitance Converter
Capacitance Converter: Convert capacitance through the farad: value × source factor / target factor.
Inductance Converter
Inductance Converter: Convert inductance through the henry: value × source factor / target factor.
Electric Charge Converter
Electric Charge Converter: Convert electric charge through the coulomb: value × source factor / target factor.
Magnetic Flux Converter
Magnetic Flux Converter: Convert magnetic flux through the weber: value × source factor / target factor.
Magnetic Flux Density Converter
Magnetic Flux Density Converter: Convert magnetic flux density through the tesla: value × source factor / target factor.
Illuminance Converter
Illuminance Converter: Convert illuminance through the lux: value × source factor / target factor.
Absorbed Radiation Dose Converter
Absorbed Radiation Dose Converter: Convert absorbed radiation dose through the gray: value × source factor / target factor.
Remove Line Breaks
Remove Line Breaks: Join separate lines into a continuous paragraph using spaces.
Remove Empty Lines
Remove Empty Lines: Discard whitespace-only lines while retaining the contents of other lines.
Tabs to Spaces
Tabs to Spaces: Expand each tab to the next tab stop while preserving existing spaces and line breaks.
Trim Line Edges
Trim Line Edges: Remove leading and trailing whitespace independently from every line.
Reverse Line Order
Reverse Line Order: Reverse the order of lines while leaving characters within each line intact.
Reverse Word Order
Reverse Word Order: Reverse whitespace-separated word order within each individual line.
Email Extractor
Email Extractor: Extract distinct email-shaped addresses from pasted text.
URL Extractor
URL Extractor: Extract distinct HTTP and HTTPS addresses from prose.
Number Extractor
Number Extractor: Extract signed decimal numbers and optional scientific exponents.
Unique Words
Unique Words: List unique Unicode word tokens in their first-seen order.
Sort Words
Sort Words: Sort Unicode word tokens using English collation.
Word Length Distribution
Word Length Distribution: Count how many words have each Unicode character length.
Sentence Counter
Sentence Counter: Segment pasted prose into sentences using the browser’s English sentence segmenter.
Paragraph Counter
Paragraph Counter: Count text blocks separated by one or more blank lines.
Reading Time Calculator
Reading Time Calculator: Estimate reading duration from word count and an adjustable reading speed.
Speech Time Calculator
Speech Time Calculator: Estimate speech length from spoken-word pace plus planned pauses.
Text Statistics
Text Statistics: Inspect Unicode characters, UTF-8 bytes, words, lines and whitespace in one report.
Camel Case Converter
Camel Case Converter: Join Unicode word tokens with a lowercase first word and capitalised following words.
Snake Case Converter
Snake Case Converter: Separate normalised lowercase word tokens with underscores.
Kebab Case Converter
Kebab Case Converter: Split camel-case boundaries and join lowercase Unicode words with hyphens.
Pascal Case Converter
Pascal Case Converter: Capitalise every token and join words into a PascalCase identifier.
Alternating Case Converter
Alternating Case Converter: Alternate lowercase and uppercase across letters, leaving punctuation intact.
Unicode Normalizer
Unicode Normalizer: Normalize equivalent Unicode sequences using the selected canonical or compatibility form.
Remove Diacritics
Remove Diacritics: Decompose Latin letters and remove their combining diacritical marks.
Zero Width Character Cleaner
Zero Width Character Cleaner: Remove common invisible joiners, zero-width spaces, directional controls and byte-order marks.
Smart Quotes to Straight Quotes
Smart Quotes to Straight Quotes: Convert curly quotation marks to ASCII single and double quotes.
Unicode Code Point Inspector
Unicode Code Point Inspector: List every Unicode scalar value with its U+ hexadecimal notation.
Palindrome Checker
Palindrome Checker: Compare alphanumeric Unicode characters with their reversed sequence.
Anagram Checker
Anagram Checker: Compare sorted alphanumeric characters while ignoring case and punctuation.
Text Chunker
Text Chunker: Split text into fixed-size Unicode code-point chunks without breaking surrogate pairs.
Filter Text Lines
Filter Text Lines: Keep only lines containing the literal, case-sensitive search phrase.
Sort Lines by Length
Sort Lines by Length: Sort lines from shortest to longest by Unicode character count.
Count Repeated Lines
Count Repeated Lines: Report the frequency of each exact line without losing first-seen order.
Text to Bullet List
Text to Bullet List: Prefix nonempty lines with Markdown bullet markers.
CSV Cleaner
CSV Cleaner: Trim CSV cells and remove blank rows and duplicate data rows while preserving the header.
Transpose CSV
Transpose CSV: Swap table rows and columns after parsing quoted CSV cells.
Extract CSV Column
Extract CSV Column: Select a numbered column including its original header.
Sort CSV Rows
Sort CSV Rows: Sort CSV data rows by one column using numeric-aware English collation.
Photocopy Job Cost Calculator
Estimate photocopy job costs from quantity, your quoted rate and extra charges.
Passport Photo Print Cost Calculator
Estimate passport photo print costs from quantity, your quoted rate and extra charges.
Lamination Job Cost Calculator
Estimate lamination job costs from quantity, your quoted rate and extra charges.
Document Scanning Cost Calculator
Estimate document scanning costs from quantity, your quoted rate and extra charges.
Courier Parcel Cost Calculator
Estimate courier parcel costs from quantity, your quoted rate and extra charges.
Local Delivery Cost Calculator
Estimate local delivery costs from quantity, your quoted rate and extra charges.
Packaging Order Cost Calculator
Estimate packaging order costs from quantity, your quoted rate and extra charges.
Fabric Stitching Cost Calculator
Estimate fabric stitching costs from quantity, your quoted rate and extra charges.
Alteration Job Cost Calculator
Estimate alteration job costs from quantity, your quoted rate and extra charges.
Mobile Repair Parts Cost Calculator
Estimate mobile repair parts costs from quantity, your quoted rate and extra charges.
Computer Repair Parts Cost Calculator
Estimate computer repair parts costs from quantity, your quoted rate and extra charges.
Shoe Repair Cost Calculator
Estimate shoe repair costs from quantity, your quoted rate and extra charges.
Furniture Repair Cost Calculator
Estimate furniture repair costs from quantity, your quoted rate and extra charges.
Appliance Repair Parts Cost Calculator
Estimate appliance repair parts costs from quantity, your quoted rate and extra charges.
Catering Plates Cost Calculator
Estimate catering plates costs from quantity, your quoted rate and extra charges.
Event Chair Rental Cost Calculator
Estimate event chair rental costs from quantity, your quoted rate and extra charges.
Tent Rental Cost Calculator
Estimate tent rental costs from quantity, your quoted rate and extra charges.
Sound System Rental Cost Calculator
Estimate sound system rental costs from quantity, your quoted rate and extra charges.
Flower Decoration Cost Calculator
Estimate flower decoration costs from quantity, your quoted rate and extra charges.
Invitation Printing Cost Calculator
Estimate invitation printing costs from quantity, your quoted rate and extra charges.
Family Grocery Budget Calculator
Plan a family grocery budget and see the total and per-person share.
Wedding Guest Meal Budget Calculator
Plan a wedding guest meal budget and see the total and per-person share.
Birthday Party Budget Calculator
Plan a birthday party budget and see the total and per-person share.
School Excursion Budget Calculator
Plan a school excursion budget and see the total and per-person share.
Office Outing Budget Calculator
Plan a office outing budget and see the total and per-person share.
Pilgrimage Group Budget Calculator
Plan a pilgrimage group budget and see the total and per-person share.
Community Feast Budget Calculator
Plan a community feast budget and see the total and per-person share.
Festival Celebration Budget Calculator
Plan a festival celebration budget and see the total and per-person share.
Housewarming Budget Calculator
Plan a housewarming budget and see the total and per-person share.
Hostel Mess Budget Calculator
Plan a hostel mess budget and see the total and per-person share.
Tuition Class Supplies Budget Calculator
Plan a tuition class supplies budget and see the total and per-person share.
Sports Team Travel Budget Calculator
Plan a sports team travel budget and see the total and per-person share.
Village Meeting Budget Calculator
Plan a village meeting budget and see the total and per-person share.
Apartment Society Event Budget Calculator
Plan a apartment society event budget and see the total and per-person share.
Family Function Budget Calculator
Plan a family function budget and see the total and per-person share.
Temple Prasad Budget Calculator
Plan a temple prasad budget and see the total and per-person share.
Charity Meal Budget Calculator
Plan a charity meal budget and see the total and per-person share.
School Annual Day Budget Calculator
Plan a school annual day budget and see the total and per-person share.
Office Pantry Budget Calculator
Plan a office pantry budget and see the total and per-person share.
Weekend Trip Budget Calculator
Plan a weekend trip budget and see the total and per-person share.
Floor Tiling Area Estimate Calculator
Measure the rectangular area for floor tiling and estimate the quoted cost.
Wall Painting Area Estimate Calculator
Measure the rectangular area for wall painting and estimate the quoted cost.
Roof Waterproofing Area Estimate Calculator
Measure the rectangular area for roof waterproofing and estimate the quoted cost.
False Ceiling Area Estimate Calculator
Measure the rectangular area for false ceiling and estimate the quoted cost.
Wooden Flooring Area Estimate Calculator
Measure the rectangular area for wooden flooring and estimate the quoted cost.
Carpet Installation Area Estimate Calculator
Measure the rectangular area for carpet installation and estimate the quoted cost.
Wall Plastering Area Estimate Calculator
Measure the rectangular area for wall plastering and estimate the quoted cost.
Brick Paving Area Estimate Calculator
Measure the rectangular area for brick paving and estimate the quoted cost.
Garden Turf Area Estimate Calculator
Measure the rectangular area for garden turf and estimate the quoted cost.
Driveway Paving Area Estimate Calculator
Measure the rectangular area for driveway paving and estimate the quoted cost.
Solar Panel Space Area Estimate Calculator
Measure the rectangular area for solar panel space and estimate the quoted cost.
Window Glass Area Estimate Calculator
Measure the rectangular area for window glass and estimate the quoted cost.
Room Wallpaper Area Estimate Calculator
Measure the rectangular area for room wallpaper and estimate the quoted cost.
Wall Putty Area Estimate Calculator
Measure the rectangular area for wall putty and estimate the quoted cost.
Floor Polishing Area Estimate Calculator
Measure the rectangular area for floor polishing and estimate the quoted cost.
Terrace Flooring Area Estimate Calculator
Measure the rectangular area for terrace flooring and estimate the quoted cost.
Shop Signage Area Estimate Calculator
Measure the rectangular area for shop signage and estimate the quoted cost.
Farm Fencing Space Area Estimate Calculator
Measure the rectangular area for farm fencing space and estimate the quoted cost.
Parking Lot Paving Area Estimate Calculator
Measure the rectangular area for parking lot paving and estimate the quoted cost.
Concrete Slab Area Estimate Calculator
Measure the rectangular area for concrete slab and estimate the quoted cost.
School Fees Monthly Savings Calculator
Project monthly deposits and interest for your school fees fund.
College Fees Monthly Savings Calculator
Project monthly deposits and interest for your college fees fund.
Laptop Purchase Monthly Savings Calculator
Project monthly deposits and interest for your laptop purchase fund.
Smartphone Purchase Monthly Savings Calculator
Project monthly deposits and interest for your smartphone purchase fund.
Scooter Purchase Monthly Savings Calculator
Project monthly deposits and interest for your scooter purchase fund.
Car Down Payment Monthly Savings Calculator
Project monthly deposits and interest for your car down payment fund.
House Deposit Monthly Savings Calculator
Project monthly deposits and interest for your house deposit fund.
Emergency Fund Monthly Savings Calculator
Project monthly deposits and interest for your emergency fund fund.
Medical Reserve Monthly Savings Calculator
Project monthly deposits and interest for your medical reserve fund.
Wedding Fund Monthly Savings Calculator
Project monthly deposits and interest for your wedding fund fund.
Festival Fund Monthly Savings Calculator
Project monthly deposits and interest for your festival fund fund.
Family Vacation Monthly Savings Calculator
Project monthly deposits and interest for your family vacation fund.
Home Renovation Monthly Savings Calculator
Project monthly deposits and interest for your home renovation fund.
Business Equipment Monthly Savings Calculator
Project monthly deposits and interest for your business equipment fund.
Farm Equipment Monthly Savings Calculator
Project monthly deposits and interest for your farm equipment fund.
LIC Premium Monthly Savings Calculator
Project monthly deposits and interest for your lic premium fund.
Professional Course Monthly Savings Calculator
Project monthly deposits and interest for your professional course fund.
Child Education Monthly Savings Calculator
Project monthly deposits and interest for your child education fund.
Retirement Top Up Monthly Savings Calculator
Project monthly deposits and interest for your retirement top up fund.
Gold Purchase Monthly Savings Calculator
Project monthly deposits and interest for your gold purchase fund.
School Fee Monthly Payment Plan Calculator
Split the remaining school fee balance into interest-free monthly payments.
Coaching Fee Monthly Payment Plan Calculator
Split the remaining coaching fee balance into interest-free monthly payments.
Tuition Fee Monthly Payment Plan Calculator
Split the remaining tuition fee balance into interest-free monthly payments.
Rent Deposit Monthly Payment Plan Calculator
Split the remaining rent deposit balance into interest-free monthly payments.
Furniture Purchase Monthly Payment Plan Calculator
Split the remaining furniture purchase balance into interest-free monthly payments.
Appliance Purchase Monthly Payment Plan Calculator
Split the remaining appliance purchase balance into interest-free monthly payments.
Mobile Purchase Monthly Payment Plan Calculator
Split the remaining mobile purchase balance into interest-free monthly payments.
Laptop Purchase Monthly Payment Plan Calculator
Split the remaining laptop purchase balance into interest-free monthly payments.
Bicycle Purchase Monthly Payment Plan Calculator
Split the remaining bicycle purchase balance into interest-free monthly payments.
Scooter Deposit Monthly Payment Plan Calculator
Split the remaining scooter deposit balance into interest-free monthly payments.
Vehicle Repair Monthly Payment Plan Calculator
Split the remaining vehicle repair balance into interest-free monthly payments.
Medical Bill Monthly Payment Plan Calculator
Split the remaining medical bill balance into interest-free monthly payments.
Dental Treatment Monthly Payment Plan Calculator
Split the remaining dental treatment balance into interest-free monthly payments.
Home Painting Monthly Payment Plan Calculator
Split the remaining home painting balance into interest-free monthly payments.
Wedding Vendor Monthly Payment Plan Calculator
Split the remaining wedding vendor balance into interest-free monthly payments.
Event Venue Monthly Payment Plan Calculator
Split the remaining event venue balance into interest-free monthly payments.
Catering Advance Monthly Payment Plan Calculator
Split the remaining catering advance balance into interest-free monthly payments.
Farm Machinery Monthly Payment Plan Calculator
Split the remaining farm machinery balance into interest-free monthly payments.
Shop Equipment Monthly Payment Plan Calculator
Split the remaining shop equipment balance into interest-free monthly payments.
Business Purchase Monthly Payment Plan Calculator
Split the remaining business purchase balance into interest-free monthly payments.
Home Electricity Usage Cost Calculator
Estimate home electricity charges from consumption, unit price and a fixed fee.
Shop Electricity Usage Cost Calculator
Estimate shop electricity charges from consumption, unit price and a fixed fee.
Hostel Electricity Usage Cost Calculator
Estimate hostel electricity charges from consumption, unit price and a fixed fee.
Water Tanker Usage Cost Calculator
Estimate water tanker charges from consumption, unit price and a fixed fee.
Piped Water Usage Cost Calculator
Estimate piped water charges from consumption, unit price and a fixed fee.
Mobile Data Usage Cost Calculator
Estimate mobile data charges from consumption, unit price and a fixed fee.
Cloud Storage Usage Cost Calculator
Estimate cloud storage charges from consumption, unit price and a fixed fee.
Printer Ink Usage Cost Calculator
Estimate printer ink charges from consumption, unit price and a fixed fee.
LPG Cylinder Share Usage Cost Calculator
Estimate lpg cylinder share charges from consumption, unit price and a fixed fee.
Generator Diesel Usage Cost Calculator
Estimate generator diesel charges from consumption, unit price and a fixed fee.
EV Charging Usage Cost Calculator
Estimate ev charging charges from consumption, unit price and a fixed fee.
Home Internet Usage Cost Calculator
Estimate home internet charges from consumption, unit price and a fixed fee.
Office Internet Usage Cost Calculator
Estimate office internet charges from consumption, unit price and a fixed fee.
Shared Laundry Usage Cost Calculator
Estimate shared laundry charges from consumption, unit price and a fixed fee.
Community Water Usage Cost Calculator
Estimate community water charges from consumption, unit price and a fixed fee.
Photocopier Usage Cost Calculator
Estimate photocopier charges from consumption, unit price and a fixed fee.
Cold Storage Usage Cost Calculator
Estimate cold storage charges from consumption, unit price and a fixed fee.
Farm Pump Electricity Usage Cost Calculator
Estimate farm pump electricity charges from consumption, unit price and a fixed fee.
Solar Grid Import Usage Cost Calculator
Estimate solar grid import charges from consumption, unit price and a fixed fee.
Commercial Gas Usage Cost Calculator
Estimate commercial gas charges from consumption, unit price and a fixed fee.
Delivery Rider Earnings Calculator
Calculate gross and net delivery rider earnings after deductions.
Freelance Writer Earnings Calculator
Calculate gross and net freelance writer earnings after deductions.
Freelance Designer Earnings Calculator
Calculate gross and net freelance designer earnings after deductions.
Tutor Earnings Calculator
Calculate gross and net tutor earnings after deductions.
Home Tuition Earnings Calculator
Calculate gross and net home tuition earnings after deductions.
Tailor Earnings Calculator
Calculate gross and net tailor earnings after deductions.
Electrician Earnings Calculator
Calculate gross and net electrician earnings after deductions.
Plumber Earnings Calculator
Calculate gross and net plumber earnings after deductions.
Carpenter Earnings Calculator
Calculate gross and net carpenter earnings after deductions.
Painter Earnings Calculator
Calculate gross and net painter earnings after deductions.
House Cleaner Earnings Calculator
Calculate gross and net house cleaner earnings after deductions.
Driver Earnings Calculator
Calculate gross and net driver earnings after deductions.
Event Photographer Earnings Calculator
Calculate gross and net event photographer earnings after deductions.
Video Editor Earnings Calculator
Calculate gross and net video editor earnings after deductions.
Data Entry Operator Earnings Calculator
Calculate gross and net data entry operator earnings after deductions.
Farm Labourer Earnings Calculator
Calculate gross and net farm labourer earnings after deductions.
Construction Worker Earnings Calculator
Calculate gross and net construction worker earnings after deductions.
Beauty Service Earnings Calculator
Calculate gross and net beauty service earnings after deductions.
Food Delivery Partner Earnings Calculator
Calculate gross and net food delivery partner earnings after deductions.
Repair Technician Earnings Calculator
Calculate gross and net repair technician earnings after deductions.
Floor Tile Material Quantity Calculator
Work out how many floor tile packs you need, including a waste allowance.
Wall Tile Material Quantity Calculator
Work out how many wall tile packs you need, including a waste allowance.
Paving Block Material Quantity Calculator
Work out how many paving block packs you need, including a waste allowance.
Wallpaper Roll Material Quantity Calculator
Work out how many wallpaper roll packs you need, including a waste allowance.
Paint Bucket Material Quantity Calculator
Work out how many paint bucket packs you need, including a waste allowance.
Primer Bucket Material Quantity Calculator
Work out how many primer bucket packs you need, including a waste allowance.
Wall Putty Bag Material Quantity Calculator
Work out how many wall putty bag packs you need, including a waste allowance.
Cement Bag Coverage Material Quantity Calculator
Work out how many cement bag coverage packs you need, including a waste allowance.
Lawn Turf Roll Material Quantity Calculator
Work out how many lawn turf roll packs you need, including a waste allowance.
Carpet Roll Material Quantity Calculator
Work out how many carpet roll packs you need, including a waste allowance.
Vinyl Flooring Material Quantity Calculator
Work out how many vinyl flooring packs you need, including a waste allowance.
Laminate Plank Material Quantity Calculator
Work out how many laminate plank packs you need, including a waste allowance.
Roof Sheet Material Quantity Calculator
Work out how many roof sheet packs you need, including a waste allowance.
Waterproof Membrane Material Quantity Calculator
Work out how many waterproof membrane packs you need, including a waste allowance.
Insulation Board Material Quantity Calculator
Work out how many insulation board packs you need, including a waste allowance.
Plaster Bag Material Quantity Calculator
Work out how many plaster bag packs you need, including a waste allowance.
Grout Pack Material Quantity Calculator
Work out how many grout pack packs you need, including a waste allowance.
Adhesive Pack Material Quantity Calculator
Work out how many adhesive pack packs you need, including a waste allowance.
Wood Panel Material Quantity Calculator
Work out how many wood panel packs you need, including a waste allowance.
Fabric Upholstery Material Quantity Calculator
Work out how many fabric upholstery packs you need, including a waste allowance.
Auto Rickshaw Travel Fare Calculator
Estimate a auto rickshaw fare using distance, your quoted rate and tolls.
Taxi Travel Fare Calculator
Estimate a taxi fare using distance, your quoted rate and tolls.
Cab Travel Fare Calculator
Estimate a cab fare using distance, your quoted rate and tolls.
Intercity Cab Travel Fare Calculator
Estimate a intercity cab fare using distance, your quoted rate and tolls.
School Van Travel Fare Calculator
Estimate a school van fare using distance, your quoted rate and tolls.
Office Cab Travel Fare Calculator
Estimate a office cab fare using distance, your quoted rate and tolls.
Goods Tempo Travel Fare Calculator
Estimate a goods tempo fare using distance, your quoted rate and tolls.
Mini Truck Travel Fare Calculator
Estimate a mini truck fare using distance, your quoted rate and tolls.
Courier Bike Travel Fare Calculator
Estimate a courier bike fare using distance, your quoted rate and tolls.
Bike Taxi Travel Fare Calculator
Estimate a bike taxi fare using distance, your quoted rate and tolls.
Airport Transfer Travel Fare Calculator
Estimate a airport transfer fare using distance, your quoted rate and tolls.
Rail Station Transfer Travel Fare Calculator
Estimate a rail station transfer fare using distance, your quoted rate and tolls.
Hospital Transfer Travel Fare Calculator
Estimate a hospital transfer fare using distance, your quoted rate and tolls.
Wedding Guest Shuttle Travel Fare Calculator
Estimate a wedding guest shuttle fare using distance, your quoted rate and tolls.
Tourist Vehicle Travel Fare Calculator
Estimate a tourist vehicle fare using distance, your quoted rate and tolls.
Parcel Delivery Travel Fare Calculator
Estimate a parcel delivery fare using distance, your quoted rate and tolls.
Farm Produce Transport Travel Fare Calculator
Estimate a farm produce transport fare using distance, your quoted rate and tolls.
Milk Delivery Travel Fare Calculator
Estimate a milk delivery fare using distance, your quoted rate and tolls.
Water Tanker Delivery Travel Fare Calculator
Estimate a water tanker delivery fare using distance, your quoted rate and tolls.
Moving Van Travel Fare Calculator
Estimate a moving van fare using distance, your quoted rate and tolls.
Document Scanning Time Estimate Calculator
Plan time for document scanning using item count, pace and breaks.
Form Filling Time Estimate Calculator
Plan time for form filling using item count, pace and breaks.
Photo Editing Time Estimate Calculator
Plan time for photo editing using item count, pace and breaks.
Answer Sheet Checking Time Estimate Calculator
Plan time for answer sheet checking using item count, pace and breaks.
Parcel Packing Time Estimate Calculator
Plan time for parcel packing using item count, pace and breaks.
Order Picking Time Estimate Calculator
Plan time for order picking using item count, pace and breaks.
Invoice Entry Time Estimate Calculator
Plan time for invoice entry using item count, pace and breaks.
Receipt Filing Time Estimate Calculator
Plan time for receipt filing using item count, pace and breaks.
Stock Counting Time Estimate Calculator
Plan time for stock counting using item count, pace and breaks.
Library Cataloguing Time Estimate Calculator
Plan time for library cataloguing using item count, pace and breaks.
Customer Calls Time Estimate Calculator
Plan time for customer calls using item count, pace and breaks.
Delivery Stops Time Estimate Calculator
Plan time for delivery stops using item count, pace and breaks.
House Cleaning Rooms Time Estimate Calculator
Plan time for house cleaning rooms using item count, pace and breaks.
Laundry Folding Time Estimate Calculator
Plan time for laundry folding using item count, pace and breaks.
Tailoring Pieces Time Estimate Calculator
Plan time for tailoring pieces using item count, pace and breaks.
Exam Revision Topics Time Estimate Calculator
Plan time for exam revision topics using item count, pace and breaks.
Interview Slots Time Estimate Calculator
Plan time for interview slots using item count, pace and breaks.
Clinic Appointment Slots Time Estimate Calculator
Plan time for clinic appointment slots using item count, pace and breaks.
Vehicle Service Jobs Time Estimate Calculator
Plan time for vehicle service jobs using item count, pace and breaks.
Print Shop Orders Time Estimate Calculator
Plan time for print shop orders using item count, pace and breaks.
LIC Premium Budget Planner
LIC Premium Budget Planner: Add the annual premiums over the entered payment term using a user-supplied yearly increase.
Insurance Maturity Return Estimator
Insurance Maturity Return Estimator: Compare an entered illustrative maturity amount with the total of level annual premiums.
GST Invoice Split Estimator
GST Invoice Split Estimator: Calculate taxable value and GST from a user-entered rate, showing both intra-state and inter-state splits.
TDS Deduction Estimate
TDS Deduction Estimate: Multiply the entered gross payment by the user-supplied withholding percentage.
Crop Yield Estimate
Crop Yield Estimate: Multiply area by expected yield per acre, then by an entered price per quintal.
Mandi Net Proceeds Estimate
Mandi Net Proceeds Estimate: Subtract entered transport and handling expenses from quantity times sale price.
UPI Bill Split Calculator
UPI Bill Split Calculator: Divide the bill plus any entered extra contribution evenly between people.
Rent Escalation Estimate
Rent Escalation Estimate: Compound an entered annual rent increase over the number of years.
Text to Binary
Encode text into space-separated UTF-8 binary bytes.
Binary to Text
Decode eight-bit binary groups into readable UTF-8 text.
Text to HEX
Convert Unicode text into hexadecimal UTF-8 bytes.
HEX to Text
Decode hexadecimal byte pairs as UTF-8 text.
Reverse Text
Reverse text by visible characters, words or lines.
Add Line Numbers
Number text lines with a custom starting number and separator.
Add Prefix and Suffix
Add text before and after every line of a list.
Morse Code Translator
Translate Latin letters and digits to Morse code and back.
Roman Numeral Converter
Convert integers from 1 to 3999 to canonical Roman numerals and back.
Mean Median Mode Calculator
Calculate mean, median, modes, range and sum of a number list.
Ratio Simplifier
Reduce two nonnegative whole numbers to their simplest ratio.
Aspect Ratio Calculator
Find a proportional height or width for an image or video.
Days Between Dates
Count calendar days and weekdays between two dates.
Add Days to Date
Add or subtract calendar days from a date.
Discount Calculator
Calculate the saving and final price after a percentage discount.
Tip and Bill Split Calculator
Calculate a tip and divide the total bill between people.
Percentage Point Calculator
Compare two rates in percentage points and relative percent change.
UTM Link Builder
Add campaign source, medium and name parameters to an HTTP or HTTPS URL.
JSON String Escape
Convert plain text into a quoted JSON string literal.
JSON String Unescape
Decode a quoted JSON string literal into plain text.
JSON to JSON Lines
Convert a JSON array to newline-delimited JSON records.
JSON Lines to JSON
Collect newline-delimited JSON values into a formatted JSON array.
Unicode Code Point Converter
Inspect Unicode code points or convert U+ notation back into text.
Compare Two Lists
Find shared items, unique items or the union of two line-separated lists.
BMI Calculator
Calculate Body Mass Index from weight and height with WHO category classification.
Loan EMI Calculator
Calculate monthly loan installment, total interest and total payment amount.
Electricity Bill Calculator
Estimate monthly electricity costs from appliance wattage, usage hours and unit rate.
Speed Distance Time Calculator
Calculate speed, distance or time from the other two known values.
Temperature Converter
Convert temperatures between Celsius, Fahrenheit, Kelvin and Rankine scales.
Character Counter
Count characters, letters, digits, spaces, words, sentences, paragraphs and lines in text.
Text Repeater
Repeat text a specified number of times with optional separator.
Upside Down Text
Flip text characters upside down using Unicode substitution.
JSON Formatter
Validate JSON and format it with readable indentation or compact output.
JSON to CSV
Convert an array of JSON objects to a CSV table.
CSV to JSON
Turn a CSV table with column headings into a JSON array.
Base64 Encoder
Encode Unicode text as UTF-8 Base64.
Base64 Decoder
Decode standard or URL-safe Base64 into UTF-8 text.
URL Encoder
Percent-encode text for a URL component.
URL Decoder
Decode percent-encoded URL text.
HTML Entity Encoder
Escape text for display inside HTML.
HTML Entity Decoder
Decode common named and numeric HTML character references.
Text Case Converter
Change text to uppercase, lowercase, title case or sentence case.
URL Slug Generator
Turn a heading into a readable lowercase URL slug.
Remove Duplicate Lines
Remove repeated lines while keeping their original order.
Sort Text Lines
Sort lines alphabetically or with numeric-aware ordering.
Find and Replace Text
Replace every exact occurrence of a text string.
Clean Text Whitespace
Trim line edges and collapse repeated horizontal spaces.
Random List Shuffler
Shuffle a list into a random order using browser cryptography.
CSV to Markdown Table
Build a Markdown table from CSV data.
UUID Generator
Generate random version 4 UUIDs.
Text Hash Generator
Calculate a SHA-256, SHA-384 or SHA-512 digest of text.
JWT Decoder
Inspect the header and payload of a JSON Web Token.
URL Parser
Inspect a URL protocol, hostname, path, query parameters and fragment.
Query String Builder
Build URL query parameters from a JSON object.
Number Base Converter
Convert whole numbers between binary, octal, decimal and hexadecimal.
Unix Timestamp Converter
Convert Unix timestamps and ISO dates in UTC.
HEX Color Converter
Convert a HEX color to RGB, HSL and CMYK values.
Color Contrast Checker
Calculate the WCAG contrast ratio between two solid colors.
Percentage Calculator
Calculate a percentage, percentage share or percentage change.
Fraction Calculator
Add, subtract, multiply and divide fractions with exact simplification.
Random Number Generator
Generate random whole numbers inside an inclusive range.
Unit Converter
Convert length, mass, temperature, speed, area and volume measurements.
File Size Converter
Convert bytes, decimal file sizes and binary file sizes.
Duration Calculator
Add or subtract durations and convert the total to seconds.
Text Diff Comparison
Compare two text blocks and view additions, deletions and unchanged lines.
Lorem Ipsum Generator
Generate placeholder dummy text for web design and typography layouts.
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