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Grammar and Spell Checker - LanguageTool
With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.
204,733 users
Popup Blocker (strict)
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
46,590 users
Translate Web Pages
Translate your page in real time using Google or Yandex. It is not necessary to open new tabs. Now works with the NoScript Extension.
463,519 users
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.
847,855 users
Simple Translate
Quickly translate selected text on web page. In toolbar popup, you can translate input text.
132,898 users
ImTranslator: Translator, Dictionary, TTS
COMPLETELY REDESIGNED TRANSLATOR FOR FIREFOX ImTranslator translates text, words, webpages between more than 100 languages. NEW: Inline Translator, Dictionary, access to Google Translate, Microsoft Translator. Unique on the fly localization.
167,750 users
uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
5,598,997 users
AdBlock for Firefox
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.
1,056,881 users
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
735,834 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1,208,742 users
Startpage Privacy Protection
By installing the free Startpage Privacy Protection extension you will be able to stop trackers and cookies and set Startpage.com as your default search engine.
8,578 users
Ruffle
Puts Flash back on the web where it belongs. Ruffle is an Adobe Flash Player emulator. Ruffle seamlessly plays Flash content on sites you visit. Enjoy your favorite Flash games from yesteryear!
2,222 users
Mozilla Rally
Mozilla Rally is an experimental, opt-in data collection platform in early pre-release alpha. Please visit https://rally.mozilla.org and install this add-on there.
4,587 users
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
2,105,187 users
Easy Youtube Video Downloader Express
A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.
632,334 users
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
76,920 users
Turbo Download Manager
A download manager with the ability to pause and resume downloads, download remote files, and more.
55,738 users