JWT Decoder
Inspect a JWT header and payload without validating its signature.
JWT Decoder
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How to use this tool
Step 1
Open JWT Decoder and provide the value or file that belongs to this task.
Step 2
Check the settings specific to JWT Decoder before processing.
Step 3
Inspect the JWT Decoder output, then copy or save the format shown.
Limits and notes
Paste a JWT to inspect its header and payload as JSON. Decoding does not prove signature validity or grant permission to use the token. Inspect a JWT header and payload without validating its signature. This page starts with an input that belongs to this task and exposes the settings that affect the output before saving. Open JWT Decoder and provide the value or file that belongs to this task. Check the settings specific to JWT Decoder before processing. Inspect the JWT Decoder output, then copy or save the format shown. Large or encrypted files may need another reader or a smaller batch. Check the preview, extension, and file size before sharing the result, and keep passwords or personal data out of public pages. The questions below explain what happens to the input and how to review the finished file.
Frequently Asked Questions
Do I need an account for JWT Decoder?
No. The JWT Decoder page is available directly without a forced sign-up.
What happens to input used by JWT Decoder?
JWT Decoder processes input locally when the browser can do so, and it is not published.
What output does JWT Decoder create?
The JWT Decoder result is shown on the page before you copy or save it.