Developer Tools
Format, encode and test on the way to the deploy: JSON, XML, CSS, Base64, hashes, UUIDs and regex.
JSON Formatter
Format and pretty-print JSON online with adjustable indentation. Paste messy JSON and get a readable, indented versio...
→JSON Validator
Validate JSON online and see the exact error position, line and context for syntax problems. Free, instant and run in...
→JSON Minifier
Minify JSON by removing all unnecessary whitespace for smaller API payloads and faster loading, without changing the ...
→XML Formatter
Format and indent XML online using a real DOM parser. Paste compressed or messy XML and get readable, correctly neste...
→XML Validator
Validate XML online and get the parser error message with the location of the problem. Runs in your browser, no upload.
→CSS Formatter
Format minified CSS online — restore readable indentation and line breaks from a compressed stylesheet.
→CSS Minifier
Minify CSS online by stripping comments and redundant whitespace. Keeps rule order intact so your styles still cascad...
→Base64 Encode Text
Encode text to Base64 online with correct UTF-8 handling, including URL-safe output. Instant, private and free.
→Base64 Decode Text
Decode Base64 back to readable text online, with standard and URL-safe alphabets and clear errors for invalid input.
→URL Encode
Percent-encode text for safe use in URLs and query parameters online. Encode a whole URL or a single component.
→URL Decode
Decode percent-encoded URLs and query values back to readable text online, including UTF-8 sequences.
→HTML Encode
Escape HTML characters into entities online so tags display as text instead of rendering. Useful for code snippets an...
→HTML Decode
Convert HTML entities back into normal characters online, covering named, decimal and hexadecimal references.
→JWT Decoder
Decode a JSON Web Token online and inspect the header, payload and registered claims with human-readable expiry times.
→UUID Generator
Generate random version 4 UUIDs online using the browser cryptographic random source. Bulk generation, uppercase and ...
→Password Generator
Generate strong random passwords online from cryptographically secure browser randomness, with length, symbol and amb...
→Hash Generator — MD5, SHA-1, SHA-256, SHA-512
Generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text online, with hex and Base64 output computed in y...
→MD5 Generator
Generate an MD5 hash of a string online with a local implementation, including the digest length and hex or Base64 fo...
→SHA-256 Generator
Compute the SHA-256 hash of any text online using the browser SubtleCrypto API, with hex and Base64 output.
→Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and back, in seconds or milliseconds, showing local and UTC time side...
→Unix Now — Current Unix Timestamp
See the current Unix timestamp in seconds and milliseconds, updating live, and copy it with one click.
→Regex Tester — Online JavaScript Regular Expressions
Test JavaScript regular expressions online against sample text with live match highlighting, capture groups, flags an...
→Regex Replace Tester
Preview a regular-expression replacement online before you run it, with the transformed output and every match counted.
→Color Converter — HEX, RGB, HSL
Convert colours between HEX, RGB and HSL online, with a live preview, shade and tint scale and copyable CSS output.
→HEX to RGB
Convert a HEX colour to its RGB components online and copy the result as rgb(), a Tailwind-style array or plain CSS.
→RGB to HEX
Convert RGB values to a HEX colour code online, with instant preview and one-click copy for CSS and design files.
→RGB to HSL
Convert RGB colour values to HSL online and understand the hue, saturation and lightness behind a flat colour code.
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