JWT Decoder
Decode JWT Header and Payload
What is a JWT?
A JSON Web Token (JWT) is an open standard (RFC 7519) for securely transmitting information between parties. It consists of three parts—Header, Payload, Signature—separated by dots.
Important Note
This tool only decodes the JWT — it does not verify the signature. Never paste tokens containing sensitive data into untrusted sites. All processing here is done locally.