JWT Decoder
Decode, inspect and verify JSON Web Tokens.
Token length
0
Characters
JWT segments
0
Expected: 3
Algorithm
Not provided
From unverified header
Encoded token
Paste your compact JWT below.
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Changes are decoded automatically.
Header
Algorithm and token type
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Payload
Claims and token metadata
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Signature verification
Verify HS256 tokens using their shared secret.
Security notice
Decoding only reveals the contents of a JWT; it does not prove authenticity. Do not paste production access tokens, refresh tokens, or real secret keys into a public tool. This page processes tokens in your browser, but browser extensions and other client-side code may still have access to them.