Cookie & Storage Inspector

Manage cookies, localStorage, sessionStorage and IndexedDB in one panel. Open-source, 100% local. No data ever leaves your browser.

Cookie & Storage Inspector — The all-in-one browser storage editor that's actually safe. The only free Chrome extension that lets you manage Cookies, localStorage, sessionStorage, AND IndexedDB from a single panel — with zero data ever leaving your browser. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔒 TRUST-FIRST SECURITY ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • 100% local — no data ever sent to any server • No debugger permission required (no scary yellow warning banner) • Cookie access is optional — only granted when YOU click "Enable" • Open-source, auditable code — inspect every line on GitHub • Zero background network requests, ever After two EditThisCookie malware incidents and the 2025 spyware wave affecting 4M+ devices, we built this with security as the foundation — not an afterthought. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🍪 FULL COOKIE MANAGEMENT ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • View, create, edit & delete cookies — including HttpOnly cookies • Bulk selection with Shift+Click and one-click mass delete • Global search across ALL sites (not just the current tab) • Domain filter chips for rapid navigation • Sort by name, domain, value, or expiry date • Export as JSON or Netscape format (cookies.txt) for curl / wget / yt-dlp / Python scripts • Import cookies from JSON file • Supports partitioned cookies (CHIPS, Chrome 119+) • Real-time cookie monitoring ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 💾 STORAGE INSPECTOR ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • Edit localStorage and sessionStorage inline — no DevTools needed • Export localStorage / sessionStorage as JSON with one click • Smart value type detection: JSON, JWT, number, boolean, string • Built-in JWT decoder — no need to copy tokens to jwt.io • IndexedDB browser: view databases, object stores, and records • Add, edit, or delete individual storage entries • Bulk delete with checkboxes • Search across all storage keys and values ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ⚡ DEVELOPER-GRADE UX ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • Dark, professional UI — inspired by VS Code and Chrome DevTools • Zero configuration — works immediately after install • Manifest V3 compliant — built for the future of Chrome extensions • Auto-detects when page has no cookies or storage (no confusing blank screens) • Gracefully handles chrome:// and restricted pages ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 👥 WHO IS THIS FOR? ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • Web developers testing authentication flows and session tokens • QA engineers who need to switch between test accounts quickly • Security researchers analyzing website data storage • Privacy-conscious users who want to see and control what sites store • Anyone who needs a safe, maintained replacement for EditThisCookie ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🆚 VS COMPETITORS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ✓ Unlike EditThisCookie — fully MV3 compliant, no malware history, actively maintained ✓ Unlike Cookie-Editor — includes localStorage, sessionStorage, and IndexedDB ✓ Unlike DevTools — works without opening a separate panel, with export and bulk operations ✓ Unlike paid tools — completely free, no subscription, no account required ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📋 PERMISSIONS EXPLAINED ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • "cookies" — optional, only requested when you click Enable in the extension • "tabs" — needed to identify which site you're on • "scripting" — needed to read localStorage/sessionStorage from page context • "storage" — for extension preferences only (never your website data) • "activeTab" — to access the current page No "<all_urls>" host access requested by default.