Cookie & Storage Viewer

About

Cookie & Storage Viewer is a powerful, read-only Chrome extension designed for developers, QA engineers, and security testers to safely inspect cookies, local Storage, and session Storage without modifying any data.

Debug authentication issues, verify session handling, and audit storage security — all directly from your browser.

🔍 What You Can Do
🍪 Cookie Inspection

View all cookies for the active domain

Inspect attributes like Http Only, Secure, Same Site, path & expiration

Auto-detect authentication & session cookies

Token expiration alerts & Same Site compatibility hints

💾 Local Storage Viewer

View all local Storage key-value pairs

JSON auto-formatting for better readability

Detect oversized values & sensitive-looking keys

Per-item storage size calculation

⏱️ Session Storage Viewer

Inspect session Storage lifecycle data

Compare session Storage with local Storage side-by-side

🔒 100% Safe & Read-Only

No editing, deleting, or mutating data

No tracking, analytics, or remote servers

All processing happens locally in your browser

🎨 Productivity Features

Real-time search & filtering

One-click copy to clipboard

Sensitive value masking toggle

Storage usage summary

Dark & Light mode support

Auth flow debugging helpers

🎯 Ideal For

Frontend & Backend Developers

QA & Manual Testers

Security & Compliance Audits

Debugging login, JWT, and session issues

🔐 Privacy First

✔ No data collection
✔ No external API calls
✔ No data sharing
✔ Open-source & transparent

Note: This extension is strictly for debugging and inspection. Always follow best security practices when handling sensitive data.