Developer & Data Tools
A fast toolkit for developers. Format and validate JSON, convert between JSON and CSV, encode and decode data, test regular expressions, decode JWTs and generate UUIDs — processed entirely in your browser.
Available now
Live
JSON Formatter & Validator
Format, validate and minify JSON with clear error messages.
Live
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text.
Live
UUID Generator
Generate random UUID v4 identifiers in bulk.
Live
Unix Timestamp Converter
Convert Unix timestamps to dates and back.
Live
JSON to CSV
Convert JSON arrays into CSV.
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CSV to JSON
Convert CSV data into JSON.
Live
Regex Tester
Test regular expressions against sample text.
Live
JWT Decoder
Decode and inspect JWT tokens.
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Hash Generator
Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes from text.
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URL Encoder / Decoder
Encode or decode URLs and query parameters.
Live
Color Converter
Convert colors between HEX, RGB and HSL.