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Decode JSON Web Tokens

Decode JWT header and payload locally. Inspect claims without server calls. Secure debugging. Fast, free, and 100% private. All processing happens locally.

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About Decode JSON Web Tokens

1

Paste Token

Enter the eyJ... string.

2

View

Read the JSON data.

3

Save Your Output

Click the download or copy button to export your results to your device or clipboard.

Paste a JWT (JSON Web Token) to see its contents.

  • Header: Algo and Type.
  • Payload: User data, expiration (exp), issued at (iat). Security: Tokens are decoded in-browser. We never see your keys.

Key Features

No Signature Check

Decodes payload without needing the secret key.

Date Parsing

Converts timestamps to readable dates.

Frequently Asked Questions

We decode it client-side only. However, for maximum security, rotate your tokens if you feel unsure.

Currently, we only decode the payload for debugging purposes.

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