Free Web Development Tools

18 free tools for everyday coding tasks — format, minify, encode, and convert. No signup required.

Free Developer Tools

Free Tools Built for Developers

No signup required — 18 tools to format, minify, encode, and convert code.

XML Formatter

Pretty-prints XML — paste minified or messy XML and get clean, indented markup.

HTML Formatter

Beautify HTML — paste minified or messy markup and get clean, properly indented code.

CSS Formatter

Beautify CSS — paste minified or messy stylesheets and get clean, properly indented code.

JavaScript Formatter (Basic)

Formats JS code — paste minified or messy scripts and get clean, indented output for a quick read.

Text Difference Checker

Highlights differences between two texts — line by line, so you can spot exactly what changed.

JSON Validator

Checks if JSON is valid — pinpoints the line and reason a document fails to parse, and pretty-prints valid JSON.

JSON Formatter

Beautify JSON — paste minified JSON and get clean, properly indented output.

Timestamp Converter

Convert between a human-readable date and a Unix timestamp, in either direction.

Color Code Converter

Convert a color between HEX, RGB, and HSL — with a live swatch preview.

UUID Generator

Generate random UUIDs (v4) individually or in bulk — for test data, tracking IDs, or API keys.

JavaScript Minifier (Basic)

Removes comments and whitespace from JS to shrink file size for a quick read or paste.

CSS Minifier

Minify CSS — strips comments and whitespace to shrink stylesheet size.

HTML Minifier

Removes comments, extra spaces, and blank lines from HTML to shrink markup size.

SHA256 Generator

Hashes text using the browser's native crypto API — no data leaves your browser.

MD5 Hash Generator

Generates the MD5 hash of any text, entirely in your browser.

Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 back to text, entirely in your browser.

URL Encoder / Decoder

Encode text for safe use in a URL ("Hello World" → "Hello%20World") or decode it back.

HTML Encoder / Decoder

Converts <, >, &, and " into HTML entities, or decodes entities back to characters.

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