Decode, inspect, verify, and sign JSON Web Tokens in a fast, local workspace.
{
"alg": "HS256",
"typ": "JWT"
}{
"sub": "1234567890",
"name": "John Doe",
"admin": true,
"iat": 1516239022
}Enter the shared secret used to sign this token.
Quick guide
JWT Debugger is an online tool that helps you Decode, verify, and generate JSON Web Tokens in your browser without sending tokens or keys to a server. Everything lives on a dedicated page, so you can open it again later or share it with a direct link.
This page is linked from the See the full tools index index and from related utilities, which keeps it easy to reach for both users and crawlers. If you need a fast workflow, you can use it immediately without sign-up.
This page keeps readable content, a stable URL, and internal links to other tools on the site. That is the right setup to improve discovery and support long-term organic indexing.
JWT Debugger helps you Decode, verify, and generate JSON Web Tokens in your browser without sending tokens or keys to a server. The result is immediate and the tool runs directly in the browser.
Yes. JWT Debugger is available online without payment and without creating an account.
Yes. JWT Debugger is designed to open from a direct URL and work online with a simple, immediate interface.