To Google Translate
Right-click a section of text and click the Translate icon next to it to text translate or listen to it in your language.
876,162 users
Don't track me Google
Removes the annoying link-conversion at Google Search / maps / ...
36,938 users
Turn Off the Lights for Firefox
The entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube and Beyond. Dark mode for all websites. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, etc.
36,531 users
SearchPreview
SearchPreview enhances your search results pages by inserting site preview images (thumbnails) and popularity ranks into Google™, DuckDuckGo™, Yahoo™ and Bing™ search results.
23,225 users
Emoji
It permits just with a single click to copy an emoji. There is a search-box and the "Most used emojis" section (the first one). If you want to send feedback or report bug, please go to https://github.com/Sav22999/emoji
12,515 users
Return Youtube Dislike
Returns ability to see dislike statistics on youtube
301,785 users
Google Scholar Button
Lookup scholarly articles as you browse the web.
107,800 users
Startpage Privacy Protection
By installing the free Startpage Privacy Protection extension you will be able to stop trackers and cookies and set Startpage as your default search engine.
55,184 users
Google Container
THIS IS NOT AN OFFICIAL ADDON FROM MOZILLA! It is a fork of the Facebook Container addon. Prevent Google from tracking you around the web. The Google Container extension helps you take control and isolate your web activity from Google.
13,776 users
Reverse Image Search
Adds an option to the context menu to search with an image on Google, Bing, Yandex, TinEye, SauceNAO, IQDB or custom search engines. You can also choose more than one and they will be shown in a submenu!
12,630 users
RegretsReporter
The RegretsReporter browser extension, built by the nonprofit Mozilla, helps you take control of your YouTube recommendations.
12,416 users
Search by Image on Google
Right click on an image to search Google for related images or versions in different sizes.
10,978 users
Pinned Google Calendar
Go to the pinned Google Calendar tab. If it doesn't exist, it's created.
9,681 users
google translate element
Automatically inserts Google Translate Element into the page. Translate the entire page without leaving page or opening a new tab.
9,495 users
Search image
Select some text, right-click and choose"Search image" in the menu, a Google Image tab will open with your results.
8,406 users
Zoom for Firefox
Zoom in or out on web content using the zoom button and mouse scroll wheel for more comfortable reading. That to each percent value. It helps you to zoom easily in and out a web page. Thanks to the slider and the zoom buttons.
6,693 users
Google Reverse Image Search
Google Reverse Image Search is a simple tool that lets you search the images reversely on Google Images and find the other copies of the very image you are looking for on the web.
6,651 users
Age Restriction Bypass for YouTube™
Extension to bypass YouTube's age verification and watch age restricted videos without having to sign in.
5,857 users
Gmail
Access Gmail easily, wherever you are.
4,762 users
Ivacy VPN: Best Free VPN for Privacy and Security
The best Free Firefox extension for content, security & privacy. Enjoy unlimited bandwidth and speed.
3,929 users
AddToAny: Share Anywhere
Share to Facebook, Twitter, WhatsApp, email, and any other sharing or saving service quickly and easily with one share button.
3,833 users
Full Screen for Firefox
Go full screen with one click on the full screen button. That includes also the full screen movies such as the YouTube, Vimeo, Dailymotion, Youku video player, etc.
3,799 users
Google Dark Theme
A modern dark theme for Google Search, Images, Translate. Permissions found in manifest.json in the GitHub repository.
3,508 users
Fire Drag
Provide drag-and-drop utilities for texts and links
3,461 users