JWT/JWS/JWK Toolkit
decode tokens, verify signatures, inspect claims, and compare key metadata
Options
Token
Empty
Decoded
Example output:
{
"header": {
"alg": "HS256"
},
"payload": {
"sub": "1",
"iat": 1700000000
},
"signature": "signature",
"expirationStatus": "exp claim not present."
}
Empty
About this tool
JWT/JWS/JWK Toolkit lets you decode tokens, verify signatures, inspect claims, and compare key metadata in your browser.
Inputs, results and saved preferences stay in this browser.