Security
JWT Decoder
Decode JSON Web Tokens without sending data to external servers. All processing happens locally.
Security Warning
Never paste production JWTs or sensitive tokens into any online tool. Use this only for development and testing with non-sensitive tokens.
JWT Token
Paste your JWT token here
Header
Payload
Privacy: This tool decodes JWTs entirely in your browser using JavaScript's atob() function. Your token is never sent to any server.