Cookie & Storage Viewer

Read-only tool to inspect cookies, localStorage, and sessionStorage for the active tab.

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.