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Preview of Page JavaScript Toggle

Page JavaScript Toggle by vmarks

Toolbar / Tools-menu toggle that blocks scripts on websites (CSP script-src 'none'). Standard extensions cannot set about:config javascript.enabled; this matches its effect for web pages.

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About this extension
Imagine the internet is a busy playground, and JavaScript is the kid making everything move and spin.

This Firefox button lets you turn that kid ON or OFF.

Click it, and things either work… or get very quiet.

It's easy-to-use —it’s just a switch!
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Permissions and data

Required permissions:

  • Access browser tabs
  • Access your data for all websites

Data collection:

  • The developer says this extension doesn't require data collection.
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Version
1.0.0
Size
11.5 KB
Last updated
7 days ago (Apr 4, 2026)
Related Categories
  • Web Development
License
The Unlicense
Version History
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