Select some text, right-click and choose"Search image" in the menu, a Google Image tab will open with your results.
Quickly and easily switch between popular user-agent strings.
Strictly block all popup requests from any website by default. A notification window is opened to allow you accept, reject, open the popup in background page, or redirect the current page to popup address
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.
Blocks annoying video ads on YouTube, Facebook ads, banners and much more. Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
Finally, an efficient blocker. Easy on CPU and memory.
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
Capture a screenshot of the whole webpage, and save in your desktop in default.
Customizable mouse gesture addon, which supports over 40 different actions.
Grammarly will help you communicate more effectively. As you type, Grammarly flags mistakes and helps you make sure your messages, documents, and social media posts are clear, mistake-free, and impactful.
Save anything on the web to OneNote. Clip it to OneNote, organize and edit it, then access it from any device.
Select a number of links with a rectangle and open them all in new tabs in the same or a new window(s), download them or copy them to the clipboard. You can also lasso checkboxes to quickly check or uncheck them.
See who’s tracking you online and protect your privacy with Ghostery.
Protects your privacy by blocking spying ads and invisible trackers.
Make the web faster, more private, and more secure.
Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs that preserve your privacy. Cookies are separated by container, allowing you to use the web with multiple identities or accounts simultaneously.