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Vermillyx Utilities
JWT Decoder
Decode and inspect JSON Web Tokens (JWTs) online. View JWT headers and payloads directly in your browser.
Decoding happens locally in your browser. The token is not sent to a server by this tool.
Token Length
0
Characters in JWT
Header
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Decoded header status
Payload
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Decoded payload status
Header
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Payload
-
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What is a JWT?
The ticket behind the API curtain
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How does this decoder work?
Three pieces enter the ring
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Is decoding the same as verifying?
This is the important bit
🎟️ Backstage note
A JWT may look like one long mysterious string, but it has a structure hiding in plain sight. Decode the header and payload, inspect the token, and see what is actually inside.