Is JWT Decoder - free to use?

Yes, JWT Decoder - is completely free to use. No sign-up required, no usage limits.

Does JWT Decoder - require an internet connection?

Most tools run 100% client-side in your browser. No data is sent to any server.

🔒 JWT Decoder

Decode JSON Web Tokens — inspect Header and Payload. All processing happens in your browser, nothing is sent anywhere.

Paste your JWT token below. The decoder shows the decoded Header and Payload fields. The Signature part is not decoded (verification not supported).

JWT Token

Token Summary

Header

Payload (Claims)

Registered Claims

Claim	Value	Meaning

Expiration Status

Signature — The signature part of this token was present but is not verified by this decoder. JWT signature verification requires the server's secret key and is not performed client-side.

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