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Cookie editor: view, edit, export, import cookies. Privacy score, auto-cleanup, dark mode. Free, open source, zero tracking. CrumbKit puts you back in control of your browser cookies. Whether you're debugging a login flow, inspecting what trackers a site drops on you, or exporting cookies to share across tools — CrumbKit gives you the full picture and the tools to act on it. 🎯 WHAT YOU CAN DO WITH CRUMBKIT Debug authentication & sessions Stuck on a login bug? View and edit session tokens, switch auth states, and test different user scenarios — all in seconds. Audit privacy & tracking Every site you visit leaves crumbs. CrumbKit classifies every cookie into five categories — Essential, Functional, Analytics, Advertising, Social — and gives the site a privacy score from 0 to 100. You'll know instantly if a site is harmless or watching your every move. Export & import cookie sets Share cookies between browsers, save test fixtures, or pipe them into curl and wget. Export in six formats — including JSON, Netscape, and cURL — and import from JSON or Netscape with one click. Clean up with confidence Bulk-delete cookies but keep the ones you actually need. Set up a domain whitelist so login cookies for your bank, email, and tools survive cleanup. Or bulk-edit domain, path, Secure, HttpOnly, and SameSite across selected cookies in one go. Set up scheduled auto-cleanup rules to purge tracking cookies by domain, category, or age — on an hourly, daily, or weekly schedule. Every delete is undoable (Ctrl+Z, up to 50 actions). Monitor & add cookies in real-time The Set-Cookie interceptor watches network responses and shows you every cookie a site tries to set — letting you inspect and add them with one click. No more guessing what's happening under the hood. CHIPS partitioned cookies, fully supported Chrome is phasing out third-party cookies in favor of partitioned cookies (CHIPS). CrumbKit shows partitioned cookies with a clear badge, preserves their partition data across every export format, and restores them correctly on import. Search, edit, create — fast Real-time search across all cookies on the current tab. Compact table view shows name, value, and domain at a glance. Create or edit cookies right from the popup. No page reloads, no digging through Chrome settings. ✅ WHY INSTALL CRUMBKIT (AND NOT SOMETHING ELSE) 🔒 Actually private. Verifiably. CrumbKit makes zero network requests — period. Open Chrome DevTools and see for yourself. No analytics, no telemetry, no "error reporting," no phoning home. The most popular cookie editor was pulled from the store; its replacement was caught stealing credentials. With CrumbKit, the code is MIT open source — you don't have to trust us, you can read every line. 💰 Completely free. No catch. No Pro tier, no subscription, no ads, no "premium features" locked behind a paywall. Everything is free, forever. We make other developer tools — CrumbKit is our gift to the community. ⚡ Fast, clean, modern. Built from scratch for Manifest V3. Vanilla JavaScript — no bloated frameworks. Dark mode and light mode, system-aware. Under 85KB total. 🛡️ Privacy scoring built in. CrumbKit doesn't just show you cookies — it tells you what they're doing. Powered by an offline classification engine with 101 known tracking domains. Color-coded scores make it obvious which sites respect your privacy and which don't. 🧠 Undo & whitelist — because mistakes happen. Deleted the wrong cookie? Ctrl+Z. Accidentally wiped all cookies? Not if they were on your whitelist. These aren't luxury features — they're the safety net every cookie tool should have but none do. 💾 Cookie Profiles — save & restore Testing different environments? Save your current cookies as a named profile, then restore them with one click. Perfect for developers who constantly switch between dev, staging, and production sessions. 👥 BUILT FOR • Web developers — Debug sessions, switch auth states, test cookie behavior • QA engineers — Import/export test cookie sets, reproduce bugs across environments • Backend developers — Inspect Set-Cookie headers, verify cookie attributes • Security researchers — Audit tracker counts, analyze cookie configurations • Privacy-conscious users — See who's tracking you, clean up with a click 🏷️ AT A GLANCE ✅ View, create, edit, delete cookies ✅ Compact table view with column headers ✅ Multi-select with batch delete + bulk edit ✅ Batch delete with domain whitelist ✅ One-click copy cookie value ✅ Export: 6 formats — JSON, Netscape, cURL and more ✅ Import: JSON, Netscape ✅ Cookie classification (5 categories) ✅ Privacy score 0–100 per site ✅ Cookie profiles — save & restore sets ✅ Scheduled auto-cleanup rules ✅ Set-Cookie request interceptor ✅ CHIPS partitioned cookie support ✅ Side panel support ✅ Undo (Ctrl+Z, up to 50 actions) ✅ Dark/light mode ✅ Zero network requests ✅ MIT open source — github.com/wayknow/crumbkit ✅ Under 85KB, no frameworks, no bloat