Block Site: Adult Content & Website Blocker by MASONIQ
Block adult content and 18+ websites with custom blocklists, categories, time limits, usage tracking, and PIN protection.
Extension Metadata
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About this extension
Block Sites helps you stay focused by blocking distracting websites or limiting their daily usage.
Features:
- block selected websites completely;
- set daily time budgets;
- allow temporary access when needed;
- view local usage statistics;
- support private browsing;
- hide website names in the popup;
- use a multilingual interface;
- display a scenic blocking page.
Block Sites does not require an account and does not use advertising, analytics, tracking, or cloud synchronization. Settings, limits, temporary access controls, and usage statistics are stored locally in the browser.
Product page: https://masoniq.org/software/block-sites
Features:
- block selected websites completely;
- set daily time budgets;
- allow temporary access when needed;
- view local usage statistics;
- support private browsing;
- hide website names in the popup;
- use a multilingual interface;
- display a scenic blocking page.
Block Sites does not require an account and does not use advertising, analytics, tracking, or cloud synchronization. Settings, limits, temporary access controls, and usage statistics are stored locally in the browser.
Product page: https://masoniq.org/software/block-sites
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Permissions and data
Required permissions:
- Access browser activity during navigation
Optional permissions:
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.1.12
- Size
- 224.61 KB
- Last updated
- 3 days ago (Oct 28, 2026)
- Related Categories
- License
- All Rights Reserved
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
- Add to collection
The extension blocks user-selected HTTP(S) websites and can enforce daily time limits. It supports temporary access, private browsing, local usage statistics, and a multilingual interface.
No account, backend service, advertising, analytics, tracking, or cloud synchronization is used. Configured websites, settings, limits, temporary access controls, and usage counters remain stored locally in the browser.
Support:
https://masoniq.org/support
Privacy policy:
https://masoniq.org/software/block-sites/privacy