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Auto-Clear Site Data por byuserforuser

Finally!!! successor to `Cookie AutoDelete` extension |🧹 Automatically clears site data (cookies, local storage, IndexedDB, Cache, SW) when you close a site's last tab, with full support for Firefox Containers 📦 and Firefox for Android 📱.

4.7 (3 reviews)4.7 (3 reviews)
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Auto-Clear Site Data

Automatically clears website data (cookies, localStorage, indexedDB, cache, service workers) when you leave a site — by closing tabs, navigating away, or when tabs are discarded — helping you maintain privacy and free up storage. 🧹✨



🎯 Key Features

⏱️ Smart Automatic Clearing
  • 🤖 Clears data automatically after a configurable delay (0-3600 seconds) when you exit a site
  • ⚡ Supports instant clearing (0 seconds) for immediate privacy
  • 🚀 Optional "Clear on Startup" to clean sites from your previous session
  • 🎮 Manual "Clear Now" with granular control over which data types to clear

🛡️ Advanced Privacy Controls
  • 🎚️ Whitelist/Blacklist Modes: Clear everything except specific sites, or only specific sites
  • 📊 Granular Data Types: Choose exactly what to clear — cookies, localStorage, sessionStorage, indexedDB, cache, service workers
  • 🔍 Deep Clear: Optionally clear parent domain data (e.g., clear accounts.google.com → clear google.com too)
  • 🔀 Redirect Catching: Clears data from sites you navigated through quickly (configurable X-step detection)

🗂️ Firefox Container Support
  • 📦 Full support for Firefox Multi-Account Containers
  • 🎯 Per-container exemption rules
  • 🔐 Independent container-scoped vs. global data clearing

🧠 Smart Dependency Tracking
  • 🕸️ Automatically tracks and clears sub-frames (iframes) and 3rd-party scripts
  • ⏳ Deferred clearing for shared resources across tabs
  • 🛑 Never clears data that's still in use by other tabs

🔧 Developer-Friendly
  • 🔴 Real-time badge showing pending clears count
  • 📝 Optional console logging
  • 🪵 Built-in page logger for debugging



🚪 When Data Gets Cleared

The extension clears data when you leave a site through:
  • ❌ Tab Close — Closing the last tab of a website
  • 💤 Tab Discard — Browser unloads inactive tabs
  • 🔀 Navigation — Navigating to a different domain
  • 🚀 Startup — Optional cleanup of sites from previous session



🏗️ Technical Highlights

⚙️ Race Condition Elimination
  • 🔒 Advanced locking mechanisms prevent data corruption during concurrent operations
  • 🎯 Sharded domain index architecture isolates container operations
  • 🔄 Multi-layered safety checks detect tabs opening during async operations

🚀 Heavily Optimized Performance
  • 📈 Batched API calls reduce browser overhead by 95%
  • 💾 O(1) lookups with Map/Set data structures (100-400x faster)
  • 🎨 Debounced I/O reduces storage writes by 80%
  • ⚡ Lazy loading for smooth UI with 1000+ rules
  • 🚀 Parallel startup — 60-70% faster extension startup

🎭 Edge Case Handling
  • 🌏 IPv6 address support
  • 🔁 Meta-refresh and client-side redirect detection
  • 👻 "Ghost page" dependency tracking
  • 🔀 Cross-container global data management

📱 Cross-Platform
  • 🦊 Firefox Desktop
  • 📱 Firefox Android



🎯 Perfect For
  • 🕵️ Privacy-conscious users wanting automatic cleanup
  • 🎨 Multi-container power users managing multiple identities
  • 💾 Anyone wanting to free up browser storage automatically
  • 👨‍💻 Developers testing different login states and scenarios



🔒 Privacy First

100% local processing. Your settings, exemption lists, and browsing habits are never transmitted, shared, or analyzed. All data stays on your device.
Rated 4,7 by 3 reviewers
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Permissions and data

Permissões necessárias:

  • Limpar histórico de navegação recente, cookies, e dados relacionados
  • Aceder aos separadores do navegador
  • Aceder à atividade do navegador durante a navegação

Permissões opcionais:

  • Mostrar-lhe notificações
  • Aceder aos seus dados para todos os sites

Data collection:

  • The developer says this extension doesn't require data collection.
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Versão
3.10.5
Tamanho
116,48 KB
Última atualização
há 6 horas (8 de dez de 2025)
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  • anti tracker
  • container
  • privacy
  • security
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