Use it while debugging payloads, tokens, requests, logs, and text formats during everyday development work.
JWT DECODER
Decode JWT headers and claims locally to inspect...
Token payload inspector
JWT Decoder
Decode JWT headers and claims locally to inspect expiry, issuer, and payload data quickly.
Header
{
"alg": "HS256",
"typ": "JWT"
}
Payload
{
"sub": "1234567890",
"name": "ToolsLAB",
"iat": 1700000000,
"exp": 1900000000
}
Issued at
`iat`11/14/2023, 10:13:20 PM (2023-11-14T22:13:20.000Z)
Expires at
`exp`3/17/2030, 5:46:40 PM (2030-03-17T17:46:40.000Z)
Practical guide
How to use the JWT Decoder
Decode JWT headers and claims locally to inspect expiry, issuer, and payload data quickly.
Paste a bearer token to inspect header and claim payloads. Use clean values and review the result label: token payload inspector.
Client-side utilities are useful for inspection and cleanup, but production validation should still live in your application or API tests.
Related tools
Tools for the same workflow
Open a nearby calculator or utility when the next step needs a different format, comparison, or check.