JWT Viewer

SUMMARY

Title: JWT Viewer - Decode & Inspect Storage Tokens

Description:
JWT Viewer is a lightweight and secure tool for developers to easily inspect JSON Web Tokens (JWTs) stored in localStorage and sessionStorage.

Key Features:
- Automatically detects JWTs in both localStorage and sessionStorage
- Decodes and displays JWT header and payload in a clean, formatted view
- One-click copy functionality for entire tokens
- Expandable/collapsible token sections for better organization
- Real-time token inspection with refresh capability
- Zero external dependencies - all decoding happens locally
- Supports nested JSON objects inspection

Perfect for:
- Web Developers
- Security Engineers
- API Testing
- Debugging Authentication
- Token Inspection during Development

Privacy & Security:
- Works entirely offline
- No data collection or external communications
- Token decoding happens locally in your browser
- No sensitive data leaves your machine

How to use:
1. Click the extension icon on any webpage
2. View automatically detected JWTs from storage
3. Expand/collapse sections to focus on specific tokens
4. Copy tokens with a single click
5. Refresh to check for new tokens

Open source and actively maintained. Feedback and feature requests welcome!

Tags: JWT, JSON Web Token, Developer Tools, Web Development, Authentication, Debug

The latest version of JWT Viewer is available on the Chrome web and is currently being used by 0 active users. The initial version was launched on 2024-11-11.

HOW TO INSTALL JWT Viewer FROM A CRX FILE

1. Download JWT Viewer CRX file
2. NOTE: Sometimes the browser may block downloading / installing CRX file from outside the Chrome Web Store. If so, you may need to download the ZIP file instead
3. In the URL bar, go to chrome://extensions
4. Enable Developer mode

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