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JWT Decoder & Validator
Decode a JWT to inspect its header and payload, and verify HS256 signatures.
JWT
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Base64 Encode / Decode
Encode text to Base64 or decode Base64 back to text — instantly, in your browser.
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URL Encode / Decode
Percent-encode or decode URLs and query parameters safely.
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JWT Generator
Create and sign your own JSON Web Token with an HS256/384/512 secret.