Encoding security tools
Base64, URL, JWT, and UUID tools.
UUID Generator
Generate RFC 4122 version 4 UUIDs with crypto.getRandomValues.
Encoding
JWT Decoder
Decode a JWT header and payload. Decoding does not verify the signature.
Encoding
Base64 Encoder
Encode UTF-8 text to Base64 locally.
Encoding
Base64 Decoder
Decode Base64 to UTF-8 text locally.
Encoding
URL Encoder
Percent-encode text with encodeURIComponent.
Encoding
URL Decoder
Decode percent-encoded URLs locally.
Encoding