Firefox add-ons and browser extensions (2024)

FAQs

Is Firefox Add-ons legit? ›

It's important to note that if you're downloading an extension from a source other than addons.mozilla.org (AMO), you should verify the authenticity of the source to ensure a secure installation. Remember, it's essential to be cautious about the permissions you grant to extensions.

Extensions – also known as Firefox Add-ons – are extra features you can download and install to add more functionality and tools to your browser. Add-ons allow you to customize your Firefox browser and enhance the way you use the web.

Enter the name as 'extensions. checkCompatibility' and the value as 'false'. Once done extensions will no longer check to see if they are compatible with the verson of Firefox you are running. You can remove the preference or set it to 'true' to enable the check again.

In general, they are safe to use. But since any developer can create and upload a browser extension, take these three steps to ensure you don't accidentally download malicious software. ‍Use your common sense: If you receive a permission request that seems inappropriate, it probably is.

We determined that the best ad blockers for Firefox are NordVPN Threat Protection, AdLock, Surfshark CleanWeb, and uBlock Origin. NordVPN Threat Protection and Surfshark CleanWeb are two ad blockers bundled with a VPN for comprehensive protection.

Extensions for Firefox are built using the WebExtensions API cross-browser technology. The technology for extensions in Firefox is, to a large extent, compatible with the extension API supported by Chromium-based browsers (such as Google Chrome, Microsoft Edge, Opera, Vivaldi).

It is automatic you don't need to anything about it.

How do I block all extensions in Firefox? ›

In the Add-ons Manager, click on the “Extensions” tab on the left sidebar. At the top-right corner of the Extensions tab, you will find a dropdown menu labeled “More Options” (represented by three vertical dots). Click on it. From the dropdown menu, select “Disable All Extensions.”

Firefox ships with both anti-phishing and malware protection enabled out of the box. For those who don't know, phishing is when a site purports to be from a reputable company to get users to reveal personal/sensitive information about themselves (such as passwords, credit card numbers, bank account information, etc.).

Chosen solution

If you get a pop-up message asking to update Firefox or plugins or scanning for malware then such a message is likely a scam and you should NEVER respond to such an alert to avoid getting infected with malware.

Web Filter for Firefox is a free web content filter to block p*rnography, inappropriate adult content, and keep your Google search results and image searches filtered. This extension is designed for those looking for self-manage their safe browsing experience on Mozilla's Firefox.