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Developer Tools
Free developer tools for JSON, Base64, URLs, UUIDs, hashes, JWT, timestamps, regex, HTML and colors.
JSON Formatter
Format and beautify JSON with syntax validation.
JSON Validator
Validate JSON and identify syntax errors.
JSON Minifier
Minify JSON by removing unnecessary whitespace.
Base64 Encoder & Decoder
Encode text to Base64 or decode Base64 in your browser.
URL Encoder & Decoder
Encode and decode URLs and text.
UUID Generator
Generate random UUID v4 identifiers for development and testing.
Hash Generator
Generate SHA-256, SHA-384 and SHA-512 hashes locally.
JWT Decoder
Decode JWT headers and payloads locally.
Unix Timestamp Converter
Convert Unix timestamps to dates and dates to Unix timestamps.
Regex Tester
Test regular expressions and inspect matches instantly.
HTML Formatter & Beautifier
Format and beautify HTML for cleaner markup.
Color Converter HEX RGB HSL
Convert colors between HEX, RGB and HSL with live preview.