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JavaScript Blocker is a Safari extension that puts you in control of which scripts are allowed on any given website-similar to NoScript for Firefox.

  • Quickly and easily block advertisers, tracking agencies, and social media networks from monitoring your online activity.
  • Prevent websites from figuring out where you came from.
  • Always know where you'll end up when clicking a shortened URL; a pop-up lets you confirm where you will be redirected to.
  • Prevent inline script execution when using Safari 6.1 or greater.
  • Block frames, AJAX requests, embeds, objects, more...

What's New

Version 4.1.21:
  • Fix?: Potentially resolves an issue where Safari may hang for some users. Please let me know if this update fixed this for you.
  • Fix: Resolve an issue where the XHR blocker can break webpages that uses un-decodeable characters.


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4 28


Current Version (4.x)


Downloads 39,499
Version Downloads 858
License Free
Date 31 Jan 2015
Platform Intel 64 / OS X / Intel 32
Price Free
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