# JWT decoder

> Inspect a JWT header and payload without trusting it.

[Open tool](https://www.toolcabana.com/ee/jwt-decoder) · [Developer and data](https://www.toolcabana.com/ee/category/developer-and-data)

Tool ID: jwt-decoder. Requested language: ee. Description language: en. Complete guide translation: no; untranslated sections use English.

## Supported tasks (en)

Shows the header and payload without verifying the signature. exp, iat and nbf are also shown as UTC times. Comparing exp with this computer's clock is not a signature check.

## Steps (en)

1. Type or paste your source, or load an example.
2. Change the basic settings or open Advanced mode to fine-tune the result.
3. Review and copy or download your result. Pause Live results to run manually. Sources or individual settings above 20,000 characters require an explicit run.

## Settings

- JWT Base64URL encoding (en; key: urlSafe; type: checkbox)

## Limitations (en)

Text operations generally accept up to 2,000,000 characters. Individual parsers, generators and formulas apply additional limits shown by their controls.

## Example input

```text
eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiJleGFtcGxlIiwiZXhwIjoxODAwMDAwMDAwfQ.demo
```

## Privacy and connections (en)

This operation processes its source in your browser. Copy and download are explicit actions; source input is not saved in an account or history.

## Questions (en)

### What does jwt decoder do?

Shows the header and payload without verifying the signature. exp, iat and nbf are also shown as UTC times. Comparing exp with this computer's clock is not a signature check.

### Where is my input processed?

This operation processes its source in your browser. Copy and download are explicit actions; source input is not saved in an account or history.

### What are the input limits?

Text operations generally accept up to 2,000,000 characters. Individual parsers, generators and formulas apply additional limits shown by their controls.

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