JWT Decoder
Decode JSON Web Tokens (JWT) and inspect their contents instantly inside your browser. No token data is ever transmitted to any server.
Security Notice: Decoding a JWT does not verify its signature. Never trust token claims without verification on your secure backend server. We do not ask for or collect private keys.
Encoded Token (JWT)
Characters: 0
Decoded Results
Header: Algorithm & Token Type
Header JSON will appear here...
Payload: Data & Claims
Payload JSON will appear here...
Signature
Signature block will appear here...
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Invalid Token Structure
The entered string does not match the valid format of a JSON Web Token. A valid JWT must contain exactly three parts separated by periods (dots).
About JWT Decoder
The TechHost JWT Decoder is a free, fast, and highly secure online JSON Web Token decoder. Instantly decode and inspect JWT header claims, payload objects, and signature blocks in real-time. Because all parsing is executed client-side entirely inside your web browser, your secure authorization tokens are never uploaded or exposed to any server, offering maximum safety for software developers.
How to decode JWT tokens online
- Paste your JSON Web Token string into the left editor input area.
- Click "Decode" to execute the parser instantly.
- Inspect the Header (Algorithm & Token Type) and Payload (Claims & Expiration stats) in color-coded blocks on the right.
- Quickly copy separate Header or Payload JSON objects using the individual copy buttons.