JWT Decoder
A secure, client-side tool to decode and inspect JSON Web Tokens instantly. Paste your token to see the header and payload data.
Decode Your JWT
Paste your token below. Decoding happens in your browser and your data is never sent to a server.
Header
{}Payload
{}JWT Decoder Features
Instant Decoding
Paste your JWT and see the decoded header and payload immediately.
100% Client-Side
Your token is never sent to a server, ensuring complete privacy.
Easy Copying
Copy the decoded JSON with a single click.
How It Works
1
Find the JWT (JSON Web Token) you want to inspect. It's a long string with two dots.
2
Paste the entire token into the input area.
3
The tool will automatically decode the token's Header and Payload.
4
Review the decoded data, which is displayed in formatted JSON.