Inspect the header, payload, and expiry of any JWT — decoding only, no signature verification.
Free — 1000 uses per day, no signup required
Is JWT Decoder free?
Yes — 1000 free uses per day, no account required.
Do I need to create an account?
No — every tool works anonymously. An account is only useful to keep purchased credits across devices.
Is my data uploaded anywhere?
No — this tool runs entirely in your browser. Nothing you enter or upload leaves your device.