JWT Tool

Encode and decode JSON Web Tokens easily

100% Client-side: All processing is done in your browser. No data is sent to any server.

Algorithm:

Encoded

paste a token here

edit the payload and secret

HEADER

PAYLOAD

VERIFY SIGNATURE

HMACSHA256(
  base64UrlEncode(header) + "." +
  base64UrlEncode(payload),
  
)

secret base64 encoded

Enter a secret to verify signature