JWT Decoder
Decode JSON Web Tokens instantly with this professional tool
Enter JWT Token
Header
Payload
About JWT Tokens
JSON Web Tokens (JWT) are an open standard for securely transmitting information between parties as a JSON object. This information can be verified and trusted because it is digitally signed.
JWT Decoder – Free Online JSON Web Token Tool
The JWT Decoder lets you decode JSON Web Tokens (JWT) safely in your browser. It splits tokens into header, payload, and signature for easy inspection, without sending data to servers.
How to Use JWT Decoder
- Paste your JWT token into the input box.
- Click Decode.
- View the decoded header, payload, and signature instantly.
Features
- ✅ 100% local decoding – data never leaves your browser
- ✅ Base64 decoding for header and payload
- ✅ Clear structure view
- ✅ Developer-friendly and free
Example Output
Header:
{
"alg": "HS256",
"typ": "JWT"
}
Payload:
{
"user": "admin",
"exp": 1738889999
}
FAQs
1. Is JWT Decoder safe?
Yes, decoding happens locally, ensuring full data privacy.
2. Does it verify tokens?
No, it only decodes JWTs; verification requires your secret key.
3. Is this tool free?
Yes, 100% free and easy to use.
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Conclusion
The JWT Decoder is an essential tool for developers handling authentication systems and API integrations. Decode JWTs instantly and securely without any risk.