Developer utility · Free
JWT Decoder
Paste a JWT to inspect its readable header and payload. This tool does not verify signatures and should not be used to validate trust.
Processing happens in your browser for this tool. Follow the example format shown above when a calculator or generator needs multiple values.
What is JWT Decoder?
Decode the header and payload of a JWT locally without verifying its signature. This utility is designed for quick, practical use without requiring an account.
Common uses
- Inspect API tokens
- Debug authentication payloads
- Understand JWT claims
Privacy and processing
V1 utilities in this cluster process input in the browser where practical. The application does not need to transmit the tool input to Software Engine for the core transformation.