Most Popular Extensions
Визуальные закладки – это страница, на которой собраны ваши любимые сайты.
RESTClient, a debugger for RESTful web services. Requires Restart
Notice: some important features (XML indentation and load old saved requests) are missing in version 2.0.0, please update to version 2.0.1.
Please follow the link ("View other versions") below To install version 2.0.1.
This extension allows Adobe installers to detect McAfee Security Scan Plus software is installed on your PC.
Quickly access Skype for Web and Share on Skype through your browser
Mozilla Archive Format, with MHT and Faithful Save Requires Restart
— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!
ReloadEvery Requires Restart
Reloads web pages every so many seconds or minutes. The function is accessible via the context menu (menu you get when you right click on a web page) or via tab context menu (right click on the tab)
ScrapBook Requires Restart
Helps you to save Web pages and organize the collection.
Hoxx VPN Proxy service to unblock blocked websites, hide your location and encrypt your connection. Completely free.
Lucifox Requires Restart
Read EPUB e-books and browse OPDS catalogs.
Status-4-Evar Requires Restart
Status bar widgets and progress indicators for Firefox 4+
1) Screen capture web pages.
2) Selected regions.
3) Whole browser windows.
4) Slack direct upload (NEW!)
Edit screenshots and save images as local file or Google Drive. Annotate screenshots with different tools. Upload and share!
Live HTTP Headers Requires Restart
View HTTP headers of a page and while browsing.
Image Zoom Requires Restart
Adds zoom and rotation functionality for images...
CLIQZ integrates an innovative quick search engine into Firefox. Spare yourself the detour via search engine pages. With privacy enhancements such as anti-tracking, CLIQZ gives you control over your data.
MeasureIt Requires Restart
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
Download youtube videos as mp3/mp4/ogg/webm fast and easy! Adding mirrors everyday to decrease any downtime! We monitor comments and work to fix any problems as soon as possible!
Qwant is the European search engine that does not track you. This extension makes Qwant your default search engine and homepage as well as allowing you to easily extend Firefox Tracking Protection to the whole Web.
Screengrab (fix version) Requires Restart
Screengrab! saves webpages as images.
New features: upload to internet
Youtube Downloader 4K - Video Downloader Requires Restart
Download from YouTube 4K videos and thousands other video websites.
Bring your bookmarks into view with just a gesture. Move the sidebar across the screen. Open a different sidebar by just clicking its title. And more! Keeps your sidebar simple and quick to access!