Developer tool
JWT Decoder
Decode and inspect JWT headers and payloads directly in your browser.
Processing details depend on the tool. Check its input and output notes before using it with sensitive material.
Use the toolNo account required
Decoding a JWT does not verify its signature. Anyone who has a JWT can decode its header and payload. Do not place sensitive secrets or credentials into this tool. All processing happens locally in your browser.
How to use
Steps for this workflow
- Enter or paste the value in the tool's input field.
- Choose an operation or options when shown.
- Run the tool, inspect the output, and copy or download it if available.
Input and output
Decode and inspect JWT headers and payloads directly in your browser.