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IMAGE. PDF. CODE. AUDIO. EVERYDAY TOOLS.

KK Suite makes everyday
tasks easy.

Free online tools for images, PDF documents, developer code, audio tracks and everyday calculations. Fast, private and processed directly in your browser.

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Most Popular Tools

Convert, compress and edit your files in a few simple steps.

JPG to PDF Converter

Convert JPG and JPEG images into clean, standardized PDF documents.

PNG to JPG

Convert PNG to JPG with adjustable quality and a custom transparency background.

Image Compressor

Reduce JPG, PNG and WebP file size with adjustable quality and dimensions.

JSON to YAML Converter

Convert JSON data into clean, indented YAML syntax.

SQL Formatter & Beautifier

Format messy SQL queries with clean indentation and uppercase keywords.

Audio Cutter

Trim audio and download a selected section as a WAV file.

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Keep Your Simple Tasks Simple

From a photo that needs resizing to a PDF that needs converting, find what you need in one place.

Photo & Graphic Editing

Compress JPG/PNG/WebP, resize by dimension or scale, crop, apply filters, add borders and convert formats.

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PDF Conversion & Documents

Convert JPG to PDF, PNG to PDF, and extract PDF pages to JPG or PNG images with 100% browser privacy.

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Developer & Code Utilities

Format SQL, XML and JSON, convert JSON to YAML, inspect JWT tokens, test regex and minify stylesheets.

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Music & Audio Studio

Trim audio recordings, join multiple tracks, normalize gain, boost volume and convert to pristine WAV files.

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Everyday Utilities & Calculators

Create high-resolution QR codes, generate secure passwords, count words, calculate dates and percentages.

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SMALL TASK. DONE.

What are you working on?

A few useful starting points for the files already on your device.

Guides & Practical Tutorials

Practical walkthroughs, worked examples and clear explanations of what each tool supports.

image • 5 min read

Convert Images to PNG and Keep Transparency

Convert a supported image into a real PNG file, then check dimensions, transparency and size. Try the downloadable example to see what JPG flattening changes.

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image • 4 min read

Reduce Images Below an Upload Limit

A measured workflow for image upload limits: check the destination requirements, resize only when allowed, then compare the exported file with the byte limit.

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music • 4 min read

WAV vs MP3: Size and Quality

Understand the difference between a PCM editing file and a lossy delivery file, with reproducible size calculations and clear limits for KK Suite audio exports.

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Your files, on your device

Files selected from your device are processed in your browser.

Ready when you are

Choose a tool and start working. No account or software installation required.

Made for everyday work

Clear settings, previews and downloads help you finish the task at hand.