JSON, Base64, Regex, and more — all in your browser
Pretty print, validate, and minify JSON.
Encode or decode Base64 strings instantly.
Convert timestamps to human dates and back.
Generate random UUID v4 identifiers.
Test regular expressions with live matching.
Convert between HEX, RGB, HSL formats.
URL-encode or decode strings.
Generate MD5, SHA-1, SHA-256 hashes.