JSON Formatter
Format, validate and minify JSON with clear error messages.
Developer
JSON, encoders, hashes and other dev helpers.
UUID Generator
Generate random UUIDs (v4) or time-ordered UUIDs (v7).
Image to Base64
Convert an image to a Base64 string or data URL.
Regex Tester
Test regular expressions with live highlighting and capture groups.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text.
URL Encoder / Decoder
Percent-encode and decode URLs and query parameters.
HTML Encoder / Decoder
Escape special characters as HTML entities or decode them back.
JWT Decoder
Decode a JSON Web Token and read its header, payload and expiry.
Hash Generator
Calculate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text or files.
Unix Timestamp Converter
Convert Unix timestamps to dates and dates to timestamps.
Color Converter
Convert colors between HEX, RGB, HSL and HSV.
CSS Minifier
Minify CSS to reduce file size, or beautify it again.
HTML Formatter
Beautify messy HTML with clean indentation, or minify it.
URL Parser
Split a URL into protocol, host, path, query parameters and hash.
JSON Validator
Check whether JSON is valid and find the exact error.
JSON Minifier
Remove all whitespace from JSON to make it as small as possible.