Developer tools
Encode, format, hash, and test—right in the browser.
Base64 encode / decode Encode or decode UTF-8 text with Base64—handy for data URLs, APIs, and quick debugging, all offline in your browser. URL encode / decode Percent-encode or decode strings the way browsers do for URL components—ideal for query values, fragments, and path segments. JSON formatter Pretty-print minified JSON and validate in one click; invalid input surfaces a clear parser message so you can fix commas, brackets, or quotes. XML formatter Indent nested tags for readability and catch mismatched tags or invalid markup before you ship configs or feeds. Hash generator One-way hashes for arbitrary text—pick MD5 or SHA-256 and copy the hex digest. Nothing is sent to a server. Regex tester Tune RegExp patterns with live results—see how many matches you get and where each one starts in the subject string. Slug generator Normalize Unicode, drop diacritics, and replace spaces with single hyphens—ready for blog posts, IDs, or APIs. Color converter Edit HEX or any R/G/B channel; preview updates instantly—use Choose color when the browser exposes a native picker.