Free Developer Tool
JWT Decoder
Decode and inspect JWT tokens safely online.
Header
Payload
What is JWT Decoder?
JWT decoders help developers inspect token payloads and headers safely.
How to use
- Paste JWT token.
- Decode token.
- Inspect payload and header.
Features
- Decode JWT tokens
- Inspect token payloads
- Client-side decoding
- Fast processing
- Safe browser execution
Example
Input
eyJhbGciOiJIUzI1NiJ9...
Output
{
"sub": "1234567890"
}FAQ
Does this tool verify signatures?
No. The tool only decodes JWT payloads and headers.
Is my token uploaded?
No. Tokens are processed entirely in your browser.
Can I decode expired tokens?
Yes. Expired tokens can still be decoded.