Developer tools
Free Developer Tools
Format, encode, minify, and test code — instantly in your browser with no dependencies.
JSON Formatter & Validator
Paste your JSON to format, validate, and minify it instantly.
HTML Minifier
Remove comments, extra whitespace, and blank lines from your HTML to reduce file size and improve load times.
CSS Beautifier & Formatter
Paste minified or messy CSS and get it back neatly formatted with proper indentation and line breaks.
Base64 Encoder & Decoder
Encode plain text to Base64 or decode Base64 back to text instantly.
URL Encoder & Decoder
Percent-encode URLs and query strings, or decode them back to readable text.
Regex Tester
Write a regular expression and test it against your text in real time.
String Quoter
Paste a list of values — one per line — and wrap each in quotes.