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Developer Tools

Format code, inspect structured data, encode tokens and test developer snippets locally.

Developer tools

25 Tools

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.