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Latest stable

Direct download for Firefox

You can get the latest stable version for Firefox desktop only also using this direct NoScript 11.4.13 download link. To install, just drag and drop it onto your address bar.

v 11.4.13
x Ensure theme changes are synchronized across windows,
  including private ones (thanks barbaz for reporting)
x [UI] Ensure prompts are always centered relative to the
  parent window in multi-monitors setups
x Switch to "Modern Red Evil" icon contributed by fatboy
x Work-around for Chromium unable to load the placeholder
x Themed placeholders
x [nscl] Fixed placeholder fallback styles on Gecko
  embedding documents
x [L10n] New Romanian (ro) locale (thanks Simona Iacob and
  Inpresentia I.)

Development build

NoScript development happens very fast to keep up with emerging web threats. If you're brave enough and you need a specific feature or fix not released yet, or you simply want to provide feedback before official release, you may want to try the latest release candidate.

RC for Firefox

Install NoScript 11.4.14rc1 on Firefox Desktop by simply clicking here.

On Firefox for Android, unfortunately, a pre-release can only be downloaded (same link as above) and temporarily installed on Nightly by using the web-ext tool, which is only suitable for hardcore developers and contributors.

RC for Chromium

You can Download NoScript 11.4.14rc1 for Chromium-based browsers here.

In order to install this pre-release until the next stable version reaches the Chrome Store, you need to unzip it and load it as an unpacked extension in developer mode.

Please follow these steps:

  1. Open the Extension Management page by navigating to chrome://extensions. Alternatively, open this page by clicking on the Extensions menu button and selecting Manage Extensions at the bottom of the menu. Alternatively, open this page by clicking on the Chrome menu, hovering over More Tools then selecting Extensions
  2. Enable Developer Mode by clicking the toggle switch next to Developer mode.
  3. Unzip the zipped "" package to a directory of your choice.
  4. Click the [Load unpacked] button and select the extension directory you've unzipped the extension to (the one containing the "manifest.json" file)

You're done. Happy testing!

Recent development history

v 11.4.14rc1
x Work-around for background page misteriously being
  unloaded sometimes by Firefox
x [L10n] Updated Transifex configuration

Deprecated, obsolete and unsupported "Classic" versions

NoScript Classic Logo

You can still download NoScript "Classic" (5.1.9) (SHA256) for Seamonkey, Palemoon, Waterfox Classic and possibly other "vintage" (pre-Gecko 57) Firefox forks here.

Notice: you may need to open about:config and set your xpinstall.signatures.required preference to false in order to install NoScript 5.x, since Mozilla doesn't support signatures for legacy add-ons anymore. If you're using a non ESR Firefox, you may also need this hack.

Users of Firefox 58 and below are urged to upgrade their very unsafe browser. For those few who can't,


We cannot update nor support NoScript 5.x and below anymore, because it was based on a completely different and now obsolete technology. However you can still find usage information and a FAQ section for those ancient versions in the NoScript Classic archived website.