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UUID Generator
Generate one or hundreds of random version-4 UUIDs instantly.
more developer utilities
JSON Formatter & Validator
Beautify, minify and validate JSON with clear error messages.
Base64 Encode / Decode
Encode text to Base64 or decode Base64 back to text (UTF-8 safe).
URL Encode / Decode
Percent-encode or decode URLs and query strings.
JWT Decoder
Decode JSON Web Tokens and inspect header, payload and expiry.