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McAfee Security Scan Plus detection

This extension allows Adobe installers to detect McAfee Security Scan Plus software is installed on your PC.

Rated 1 out of 5 stars (13)
156,718 users

Bulk Media Downloader Compatible with Firefox 57+ Featured

Grab and download media (image, audio, and video) resources by monitoring network (like FlashGot or Flash video downloader extensions)

Rated 4 out of 5 stars (107)
152,257 users

All-in-One Sidebar Requires Restart

AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.

Rated 5 out of 5 stars (1,452)
149,372 users

Public Fox Requires Restart

Block downloads, lock down bookmarks/addons/downloads with a password.

Rated 4 out of 5 stars (172)
147,519 users

VKontakte.ru Downloader (music/videos/photos @ VK) Requires Restart

Download music, videos and photos from VK.com / vkontakte.ru. One-click download, natural filenames, displaying file size and bitrate for music, downloading HD video, downloading HQ photos. No spam, no usage of your account, no spyware.

Rated 4 out of 5 stars (494)
143,535 users

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.

Rated 4 out of 5 stars (102)
143,226 users

Speed Dial [FVD] - New Tab Page, Sync... Requires Restart

FVD Speed Dial - Speed dial button, online synchronization, new tab start page, bookmark organization, custom backgrounds, custom dials, groups, mobile apps, most-visited dials.

Rated 5 out of 5 stars (2,120)
143,123 users

Lucifox Requires Restart

Read EPUB e-books and browse OPDS catalogs.

Rated 4 out of 5 stars (24)
140,995 users

Modify Headers Requires Restart

Add, modify and filter the HTTP request headers sent to web servers. This addon is particularly useful for Mobile web development, HTTP testing and privacy.

Rated 4 out of 5 stars (78)
140,584 users

Qwant for Firefox

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.

Rated 4 out of 5 stars (33)
133,612 users

µBlock

NOTE: Users should be aware that this add-on represents an older fork. The original developer of uBlock is continuing to actively develop the newer fork uBlock Origin.

Rated 4 out of 5 stars (224)
133,301 users

Youtube Best Video Downloader 2 - MP3 MP4 1080P

Now with 1080p Full-HD Support!

Download every YouTube video you want and you can download them as Full-HD MP4, FLV, 3GP, MP3 128kbps and 192kbps, M4A and AAC formats. Also thumbnails and subtitles can be downloaded! Easy and Fast!

Rated 3 out of 5 stars (66)
132,263 users

Privacy Badger Compatible with Firefox 57+

Protects your privacy by blocking spying ads and invisible trackers.

Rated 4 out of 5 stars (147)
132,231 users

Blur Featured

Protect your Passwords, Payments, and Privacy.

Rated 4 out of 5 stars (761)
129,941 users

ScrapBook Requires Restart

Helps you to save Web pages and organize the collection.

Rated 4 out of 5 stars (772)
129,563 users

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!

Rated 5 out of 5 stars (250)
129,501 users

Nimbus Screen Capture - editable screenshots

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!

Rated 4 out of 5 stars (328)
128,054 users

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)

Rated 4 out of 5 stars (705)
127,554 users

SaveFrom.net helper all-in-1 / youtube downloader Compatible with Firefox 57+

SaveFrom.net helper will enable you to download files from YouTube.com, FaceBook.com, Vimeo.com, Daylimotion.com, VK.com, Odnoklassnoki.ru, Soundcloud.com and more than 40 other just in one click.

Rated 4 out of 5 stars (527)
126,739 users

Status-4-Evar Requires Restart

Status bar widgets and progress indicators for Firefox 4+

Rated 5 out of 5 stars (494)
126,387 users