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Security
Decode, verify, generate, compare, audit, and timeline JWTs locally in the browser.
Processing is local to this browser. DevPaste does not upload pasted content, JWTs, .env values, editor contents, or HMAC secrets to a server.
JWT Input
Everything runs locally in your browser. Your token and keys are not uploaded.
Decoding a JWT does not verify its signature.
Paste a JWT or choose a sample token.
The token will be decoded locally without verifying its signature.