Sign and Verify a JWT token without online tools. DevUtils.app allows you to quickly decode, sign, and verify JWT tokens without any internet connection. It supports all popular hash algorithms: HS256, HS384, HS512, RS256, RS384, RS512, ES256, ES384, ES512, PS256, PS384, PS512.

Quickly debug a JWT token

You can format your JSON strings from anywhere in your macOS (terminal, in email, web browser,...).DevUtils will inspect your clipboard content and automatically select the JWT Debugger tool if the content is a valid JSON. Activate the app by:

• Copy text → Press ⌃⌥⌘Space*(Or your own customized hotkey, up to you)*
• Copy text → Click to icon in the status bar
• Select text → Right-click → "Inspect in DevUtils.app"(This menu appears after you install the app)

Input

Select the algorithm you want to work within the select box. The currently supported algorithms are:

• HS256
• HS384
• HS512
• RS256
• RS384
• RS512
• ES256
• ES384
• ES512
• PS256
• PS384