FREE TOOLS
JWT Decoder
Decode JWT header and payload locally without validating the signature.
How to use JWT Decoder
- Paste a JWT you are authorized to inspect.
- Process to decode its header and payload.
- Review the claims without sharing a live token.
Example
Paste a three-part JWT
Limits, privacy and troubleshooting
20,000 characters. Decoding does not establish validity, identity or trust.
When something goes wrong
Decoding does not verify its signature, authenticity or authorization.
Your inputs are processed in your browser. Engine files may download from this site, but private input data is not uploaded. Reset clears this session; delete downloads separately. Privacy details.
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Before you use the result
Keep a copy of your original. Check the output using the app or website where you intend to use it. A successful conversion does not guarantee acceptance by another service.
Are these tools free?
Yes. No account or payment is required. Browser memory and the input limits shown on each tool determine what can be processed.
Where are my files processed?
On your device. OCR and video tools load their engines from this website. The direct-video downloader connects to the URL you provide. Read the privacy policy.