🔒 100% Client-Side · No Data Sent Support

Decode & Inspect JSON Web Tokens Instantly

Paste any JWT token to decode its Header, Payload & Signature in real time. Verify expiry, inspect claims, and debug Auth issues — 100% in your browser.

⏳ Paste or type a JWT token in the input box below to begin...
JWT Token Input
📋

Header

Algorithm & Type

{ }
📦

Payload

Claims & Data

{ }
🔏

Signature

Verification Data

Paste a token to see the signature

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