Look inside a JSON web token

Read the header and claims, see when it expires, and optionally verify the signature if you have the key.

Drop a file here, or choose one, or type below.

.txt · .md · .html · .csv · up to 4 MB · processed in memory and never stored · or paste with ⌘V

Or type it in

Options

Key

1 credit

Doing this a lot?

Same tool, as an API.

This page calls exactly the same code you would from your own program — no daily cap, 1 credit per call. See the endpoint reference.