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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 4.1.16a:

  • New: Canvas finger protection via user interaction when a canvas attempts to obtain its data URL
  • Fix: No longer run on XML pages
  • Note: If you run into webpages that are constantly prompting you, try blocking one or more scripts to see if you can find the culprit.


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

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4 22


Current Version (4.x)


Downloads 13,707
Version Downloads 1,160
License Free
Date 23 Jul 2014
Platform Intel 64 / OS X / Intel 32
Price Free