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JS Blocker is a Safari extension that protects your privacy and keeps you safe on the web by blocking scripts and others from tracking you-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.
  • Prevent all scripts on the webpage from being allowed to run.
  • Block frames, AJAX requests, embeds, objects, videos, and hide images.
  • Block many JavaScript annoyances such as alert dialogs getting in the way,

What's New in JS Blocker

Version 5.3.1:
  • Added the ability to create "Always" rules while in private browsing windows. Turn this on from Settings > Rules > Rule Defaults.
  • When you disable JSB on a "Top" page, it will now also be disabled on frames within that page. You'll then be able to enable JSB on the frames individually. This this off from Settings > Rules > Rule Defaults.


Requirements for JS Blocker

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JS Blocker User Discussion

3.6 43
Current Version (5.x)
Downloads 55,527
Version Downloads 739
License Free
Date 23 May 2018
Platform Intel 64 / OS X / Intel 32
Price Free
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