# JWT Decoder & Inspector

Decode JWT header and payload JSON, inspect common claims, and read expiry timestamps locally.

URL: https://everythingdeck.com/developer/jwt

## Processing
Processing takes place in your browser. Inputs and files are not uploaded or retained.

## How to use
Paste a three-part JWT to view its header, payload, signature segment, and common time claims. Continue to JSON Formatter when needed.

## Example
Decode an exp claim to see its ISO timestamp and whether it is already past.

## Inputs
text

## Outputs
text

## Capabilities
- decode JWT
- JWT payload
- JWT header
- JWT expiry
- iat exp nbf timestamps

## Limitations
Decoding is not signature verification and does not establish trust. Avoid pasting active credentials into devices you do not control.

## Related tools
- [JSON Formatter](https://everythingdeck.com/json/format)
- [Unix Timestamp Converter](https://everythingdeck.com/timestamp-converter)
- [Base64 Encode / Decode](https://everythingdeck.com/base64)