JWT Viewer

Name: JWT Viewer
Rating: 5 (2 reviews)
Author: Mohcine Sbai

View decoded JWTs from storage with deep inspection

As of May 2026, JWT Viewer has 253 users and a 5.00/5 rating from 2 reviews in the Developer Tools category.

Mohcine Sbai Developer Tools

Chrome Web Store ↗.crx

Users+12.4%

253

Rating0%

5.00

2 reviews

Reviews0%

Version

1.01

Manifest V3

History

3 snapshots

Tracking since Apr 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 1, 2026	225	5.00	2	1.01
Apr 30, 2026	229	5.00	2	1.01
May 29, 2026	234	5.00	2	1.01
Now	253	5.00	2	1.01

Permissions & access

Permissions: activeTabscripting
Host access: None declared

Screenshots

About

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

Feedback and feature requests welcome!

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