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Disable JavaScript

disable-javascript.org How-To Guides Website

Follow browser-specific instructions for disabling JavaScript and read why someone might do so.

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About Disable JavaScript

Disable JavaScript provides instructions for turning off JavaScript by default and enabling it only for sites users trust. It includes steps for Chrome and Chromium, Firefox, Safari, and Opera, as well as methods using uBlock Origin and NoScript, with examples of reported JavaScript-related security vulnerabilities as background.

The Firefox built-in preference disables JavaScript globally, so the site advises using uBlock Origin for selective control. The uBlock Origin method requires a browser that still supports Manifest v2, and the Internet Explorer section directs users to install ungoogled Chromium instead of giving in-browser steps.

Key features

  • Disable JavaScript by default in Chrome and Chromium
  • Disable JavaScript globally via Firefox about:config
  • Disable JavaScript via Safari Security preferences
  • Disable JavaScript via Opera Site settings
  • Block JavaScript by default with uBlock Origin
  • Allow JavaScript per trusted site after blocking
Best for: People who want browser-specific steps to block JavaScript by default and allow it only on trusted sites.
Good for
  • Covers Chrome, Firefox, Safari, Opera, uBlock Origin, and NoScript in one place
  • Includes steps to re-enable JavaScript for individual trusted sites
  • Lists reported vulnerabilities to explain why users might disable JavaScript
Watch out for
  • Firefox about:config method turns off JavaScript globally without selective control
  • uBlock Origin method requires a browser that still supports Manifest v2
  • No in-browser steps for Internet Explorer; directs users to install another browser

Disable JavaScript at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Web
Open source
Not stated
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026
web browser

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Disable JavaScript FAQ

Why might someone disable JavaScript?
The site states JavaScript runs code on visitors' computers and cites reported security issues such as V8 flaws, malicious npm packages, and Spectre and Rowhammer.js proofs of concept.
How can I allow JavaScript only for sites I trust?
After blocking by default, use per-site controls such as Chrome site settings or the uBlock Origin popup to enable JavaScript for a specific trusted site and reload it.
Why does the site recommend uBlock Origin over the Firefox setting?
Because changing javascript.enabled in about:config turns off JavaScript globally, so the site advises using uBlock Origin instead for more selective control.
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Listing maintained by Chris McClure and the WebIndexly editors · Updated Oct 10, 2026 · How we rank