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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, more...

What's New

Version 4.1.17:

  • Resolves an issue where updating JSB from a version earlier than 4.1.13 would fail.


  • OS X 10.6.8 or later
  • Apple Safari 5.1 or later

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Current Version (4.x)


Downloads 37,066
Version Downloads 393
License Free
Date 09 Nov 2014
Platform Intel 64 / OS X / Intel 32
Price Free
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