LeechBlock
Free and open-source browser extension that blocks time-wasting websites during productive hours. Helps maintain focus by restricting access to distracting sites based on customizable schedules and time limits.
Last updated: 2026-03-16 17:52
Overview
LeechBlock is a free, open-source productivity tool that blocks time-wasting websites to help users maintain focus and avoid distractions during work or study time.
Features
- Website Blocking: Block access to specific websites or website categories
- Customizable Schedules: Set different blocking rules for different times of day
- Time Limits: Allow limited access to sites (e.g., 10 minutes per hour)
- Multiple Block Sets: Create up to 6 different sets of blocking rules
- Password Protection: Prevent yourself from changing settings during focus time
- Access Delay: Add countdown delays before accessing blocked sites
- Keyword Blocking: Block sites based on keywords in URL or page title
- Statistics: Track how much time you've saved by blocking sites
- Lockdown Mode: Completely lock settings for a specified period
- Override Options: Temporary override with password or delay
- Import/Export: Share or backup your blocking configurations
Browser Support
- Firefox
- Chrome
- Edge
- Other Chromium-based browsers
Use Cases
- Students needing to focus on studies
- Remote workers avoiding social media during work hours
- Writers maintaining deep focus time
- Anyone struggling with internet distraction
Advantages
- Completely free and open-source
- No account or registration required
- Highly customizable blocking rules
- Privacy-focused - no data collection
- Works offline
Pricing
Free and open-source.
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