What does JWT Inspector do?
Inspect JWT claims and expiration without verification. The workspace keeps the input and result together, making it easy to check the change before you use it elsewhere.
For example, you can inspect JWT claims and expiration without verification while checking test data on a trusted device.
What you can control
JWT Inspector stays deliberately simple: add the content, run the tool, and review the result.
How to use JWT Inspector
- 1
Paste or type the content you want to work with.
- 2
Review the content and correct anything you do not want carried into the result.
- 3
Run JWT Inspector, review the output, then copy or download it where available.
Tips for a better result
- Compare the JWT Inspector output with a known-good value when the result affects a real system.
- Read the complete result rather than relying on the first line or preview alone.
- Do not treat inspection or encoding as verification, encryption or permission to trust the source.
Frequently asked questions
Is my input private when I use JWT Inspector?+
JWT Inspector processes the value locally in this browser. Use a trusted device and never paste a secret if the surrounding system may be compromised.
What should I check after using JWT Inspector?+
Do not treat inspection or encoding as verification, encryption or permission to trust the source.