Block Site

Block Site

Block all unwanted websites

Block Site promo image
What is Block Site?

Block Site is a free Firefox add-on that blocks all the undesirable and harmful websites, providing a seamless online experience. With features like password security, white list, and multiple website blocking, it protects your system and boosts productivity.

Stats date:
Users: 96 ▲ 2
Rating: 1.00 (2)
Version: 0.1 (Last updated: 2022-04-08)
Creation date: 2022-04-07
Weekly download count: 12
Firefox on Android: No
Manifest version: 2
  • contextMenus
  • webRequest
  • webRequestBlocking
  • <all_urls>
  • tabs
Size: 287.20K
Email: Click to see
Risk impact: High risk impact
Risk likelihood: Low risk likelihood

Other platforms

Not available on Chrome
Not available on Edge

Block Site is a free & vital extension that allows you to block all the undesirable and harmful websites that could affect your system. Using this essential extension, you can block multiple malicious websites together.


Block site removes all the websites that you don’t want appearing in your search results. Not only is this a free extension, but it also protects you from cyber threats, along with saving your time by keeping unwanted websites at bay.


> Blocks Unwanted Websites A free, user-friendly extension that bans and removes all the unwanted and hazardous Websites from your search results.

> Password Security You can also keep control of the options page. Only you would be able to block or unblock the websites with password security.

> Blocks and removes sites along with sub-domains

See more
User reviews
NOT working.
View all user reviews
Risk impact

Block Site is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Block Site if you trust the publisher.

Risk likelihood

Block Site has earned a fairly good reputation and likely can be trusted.

Upgrade to see risk analysis details