Utilities - Firefox add-ons

Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.

One of the most popular free ad blockers for Firefox. Block annoying ads on sites like Facebook, YouTube and all other websites. Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Download videos from the web. Easy, smart, no tracking.

Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.

Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.

The most popular ad blocker for Chrome and Safari, now available for Firefox! Block all advertisements on all web pages, even Facebook, Youtube, and Hulu. Browse faster, too! Most ads aren't even downloaded at all, saving you time and bandwidth.

Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.

Firefox Language Pack for Français (fr) – French

Download files with Internet Download Manager

Translate your page in real time using Google, Bing or Yandex. It is not necessary to open new tabs.

Firefox Language Pack for Русский (ru) – Russian

Protects your browser from online threats.

LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

The fastest and safest web browsing experience. Secure your privacy by blocking trackers, blocking ads, and blocking malicious content.

A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.

Removes tracking elements from URLs

Get rid of cookie warnings from almost all websites!

→ Price History charts → Price Drop & Availability Alerts → Over 1 billion tracked products → Supports Amazon .com | .co.uk | .de | .co.jp | .fr | .ca | .it | .es | .in | .mx

Looking for the best VPN extension for Firefox? NordVPN's Firefox VPN proxy extension lets you hide your IP, change your virtual location, and stay safe online with a click. Get a fast, secure, and unlimited VPN for Firefox!

This extension protects users from being tracked while allowing them to search the web in complete private mode.

Show tabs like a tree.

Firefox Language Pack for Ελληνικά (el) – Greek

Enjoy extended browser protection with ESET Browser Privacy & Security—includes the unique Metadata Cleanup, Secure Search and more.

Extension for protecting encrypted browsing with security products by F-Secure.

Control your cookies! This WebExtension is inspired by Self Destructing Cookies. When a tab closes, any cookies not being used are automatically deleted. Keep the ones you trust (forever/until restart) while deleting the rest. Containers Supported