Paste one JWT. IndieJWT decodes its claims and clock status here, then checks its signature with your public key.
Nothing is uploaded, saved, or added to the address bar
Uses this device's clock with no clock-skew allowance.
A matching signature proves possession of the private key. It does not prove that you trust the issuer, audience, or claims.
The core tool stays free. There is no premium plan.
Accounts, cards, onboarding tours, or upgrade nags.
A check never becomes a public listing.
The indie shelf
This tool stays focused on one job. Other tools by turushan are ready for the next small task.
Plain talk
No account, card, premium plan, or upgrade nag. The core tool stays free.
The answer follows RFC 7519: JSON Web Token (JWT). The source stays named and linked beside the result it produced.
Nothing you check becomes public inventory. The page uses cookieless analytics and stores no lookup history.
