TabNap - Smart Tab Suspension by bysismo

TabNap is a lightweight, privacy-focused Firefox extension that automatically suspends inactive tabs to free up memory and CPU resources. It helps you browse faster by managing your tabs efficiently.

• Automatically suspends tabs after a configurable timeout (5 min to unlimited)
• Supports manual suspension via toolbar button or context menu
• Suspend all tabs, current tab, or tabs to the left/right
• Startup suspension with configurable delay (1-10 seconds)
• Tab prioritization system based on visit frequency, bookmarks, and usage patterns

• Detects "zombie" tabs that consume resources despite being idle
• 4 protection modes: Low, Medium, High, and Stealth
• Automatic domain banning for resource-heavy sites (500+ requests)
• Smart filter system with protected sites whitelist (YouTube, Google)
• Case-insensitive domain matching for reliable filtering

• Real-time tracking of tab activity and data usage
• Sub-domain activity visualization with bar charts
• Top consumers ranking with visual bars
• Live activity ticker

• Tracks memory savings with 7-day history
• Daily and total savings statistics
• Automatic memory usage alerts at 80%+

• Save and restore tab sessions
• Auto-save sessions every 5 minutes
• Export/import sessions as JSON
• Up to 20 saved sessions with 100 tabs each

• Learns your browsing patterns over time
• Tracks peak activity hours
• Suggests optimal protection mode based on usage
• Domain visit frequency tracking

• 10 languages: Turkish, English, Azerbaijani, German, French, Spanish, Russian, Chinese, Japanese, Arabic
• Easy language switching from the popup

• No data collection or transmission
• All processing happens locally in your browser
• Open source and transparent

• Uses Firefox's built-in tabs.discard() API for efficient suspension
• 3 fallback suspension methods for maximum reliability
• Background service worker for minimal resource usage
• Context menu integration for quick actions
• Custom modal dialogs (no native browser prompts)
• XSS-protected DOM manipulation
• Proper error handling throughout