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JWT Decoder

Decode JWT header and payload to inspect claims. No signature verification in V1.

Last updated: 2025-03-02

Decode JWT header and payload to inspect claims. No signature verification in V1. Use this tool whenever you need to work with encoding or hashing quickly.

All processing runs in your browser — your data is never sent to our servers. No sign-up required.

Use the fields below to enter your input, adjust any options, then copy or download the result.

How to use

  1. Enter or paste your input in the field below.
  2. Adjust options if the tool supports them.
  3. Copy or download the result as needed.