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JWT decoder
Read JWT headers and payloads without verifying the signature. Use it in your browser, with no account required.
No account needed
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How to use
- 1Enter your values and choose the options.
- 2Run the tool and review the result.
- 3Copy the result or save it as a file.
Good to know
Only headers and payloads are decoded. Signatures and validity are not verified.
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Worked input and output example
These results come from this tool’s actual engine using the sample values below, not your personal input or saved work. Load the example in the tool to inspect the same inputs.
Example input
| Field | Value |
|---|---|
| JWT token | eyJhbGciOiJub25lIiwidHlwIjoiSldUIn0.eyJzdWIiOiIxMjM0NSIsIm5hbWUiOiJBbGljZSJ9. |
Example result
{
"header": {
"alg": "none",
"typ": "JWT"
},
"payload": {
"sub": "12345",
"name": "Alice"
}
}