A powerful and comprehensive Firefox add-on designed to instantly boost your browser's security and keep you safe while browsing the web
NoScript - NoScript notifies you when blocking scripts from the web in a lower toolbar.
  8 Screenshots
NoScript is an open source and advanced web browser extension that provides extra protection against a wide array of vulnerabilities for Firefox and SeaMonkey users, as well as make the browser a lot more faster by blocking unnecessary content for a better and improved browsing experience.

Makes it simple to block all scripts on a website

In other words, NoScript will allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

NoScript enables JavaScript, Java, Flash and other plugins to be executed only by trusted web sites of your choice (e.g. your online bank), and provides the most powerful Anti-XSS protection available in a browser.

Whitelist for unblocking scripts manually

Once you install NoScript, all types of executable content on websites, from JavaScript to Java applets, SilverLight and Flash, will automatically be blocked by default, which means that you can enable only the scripts and web apps that you know for increasing your privacy and web browser's security tenfold.

Furthermore, if you do not want to unblock them for good, you can also choose to enable them to run only temporarily just in case you don't really trust the website you're browsing that much and it will suddenly decide to change its security and privacy behavior in the future.

Protects against known or unknown web browser vulnerabilities

NoScript's unique whitelist based pre-emptive script blocking approach prevents exploitation of security vulnerabilities (known and even not known yet) with no loss of functionality.

In you want to add a website to its whitelist, NoScript makes it easy to use to do so by adding its domain. This will implicitly also mean that all of the sub-domains will also be whitelisted, therefore you will have to be careful and analyze the website's structure beforehand to prevent accidentally running a script or other automated scripts unknowingly.

Blacklist for blocking everything on untrusted websites

If you want to be a little more drastic with websites that you know to often launch pop-up windows or to run disrupting ads, you can use NoScript to add them to an untrusted blacklist which will effectively block all annoyances and greatly improve your web browsing experience.

Multi-platform solution for enhancing your browser’s security and speed

As an added bonus, the NoScript add-on is also cross-platform and it has been tested on Mac OS X, Windows and Linux. Thus, NoScript will virtually allow you to effortlessly enhance both your internet browsing speeds and your privacy on all the most popular operating platforms.

Reviewed by , last updated on December 20th, 2014

file size:
544 KB
license type:
developed by:
Giorgio Maone
operating system(s):
Mac OS X
binary format:
Home \ Internet Utilities
download hub:
Firefox Add-ons
Download Button

In a hurry? Add it to your Download Basket!

softpedia rating


user rating 37



Rate it!
What's New in This Release:
  • Updated GPL.txt and NoScript_License.txt with current FSF information (thanks Thomas Spura for reporting)
  • Fixed regression causing "Revoke temporary permissions" gitches (thanks barbaz for reporting)
  • Moved the Permanent "allow" commands in private windows' menu toggle next to the 'Options' command
read full changelog
8 Screenshots
NoScript - From the add-ons context menu, you will be able to allow / enable the domains found on the webpage.NoScript - The General settings allow you to choose to temporarily enable top sites by default.NoScriptNoScriptNoScriptNoScriptNoScript

Application description

The NoScript Firefox extension provides extra protection for Firefox, Seamonkey and other mozilla-based browsers: this...

Add your review! 1 USER REVIEW SO FAR