Extensions by Weekly Downloads

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Ghostery Compatible with Firefox 57+ Featured

Increase your browsing privacy, protection, and speed.

Rated 5 out of 5 stars (1,644)
49,171 weekly downloads

iMacros for Firefox

Automate Firefox. Record and replay repetitive tasks. If you're tired of manually visiting the same sites, filling out forms, downloading files and extracting data, then iMacros is for you! Save time, effort and money with iMacros browser automation!

Rated 4 out of 5 stars (570)
48,264 weekly downloads

Easy Screenshot

Capture a screenshot of the whole webpage, and save in your desktop in default.

Rated 4 out of 5 stars (176)
48,257 weekly downloads

Emoji Cheatsheet Compatible with Firefox 57+ Featured

A reference for the codes to generate Emojis on popular sites like GitHub or Basecamp and Unicode characters for Twitter and Facebook.
Search Emojis by name or view recently selected items. Emojis are automatically copied to the clipboard.

Rated 4 out of 5 stars (52)
47,710 weekly downloads

Download Flash and Video Requires Restart

Download Flash and Video is a great download helper tool that lets you download Flash games and Flash videos (YouTube, Facebook, Dailymotion, Google Videos and more) with a single click.
The downloader is very easy to use.

Rated 4 out of 5 stars (446)
45,203 weekly downloads

Greasemonkey Requires Restart

Customize the way a web page displays or behaves, by using small bits of JavaScript.

Rated 4 out of 5 stars (1,227)
44,828 weekly downloads

LanguageTool Grammar Checker Compatible with Firefox 57+ Featured

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.

Rated 4 out of 5 stars (38)
44,735 weekly downloads

Download with Internet Download Manager Compatible with Firefox 57+

when activated, interrupts the built-in download manager to direct links to IDMan (Internet Download Manager)

Rated 4 out of 5 stars (178)
42,759 weekly downloads

Adguard AdBlocker Compatible with Firefox 57+

Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.

Rated 5 out of 5 stars (435)
37,379 weekly downloads

Download Youtube Video Compatible with Firefox 57+

Save video from any Youtube video in High definition HD or Standard definition SD.

1-click download any video directly from Youtube YT.

Choose if you want .mp4, .webm, mobile, or audio only (audio only saves space and great for mobile devices)

Rated 4 out of 5 stars (361)
36,634 weekly downloads

YouTube Flash Player Compatible with Firefox 57+

A very lightweight add-on that allows you to watch YouTube™ videos using Flash® Player instead of the default HTML5 player. The Flash® Player will consume less CPU and RAM resources if your device doesn't easily support HTML5 videos. Try it!

Rated 5 out of 5 stars (107)
36,591 weekly downloads

YouTube Download Plus Compatible with Firefox 57+

Download YouTube videos.

Rated 4 out of 5 stars (36)
34,378 weekly downloads

Google Translator for Firefox Requires Restart

With this addon you can translate any text to your own language with one click or hot-key. You can either translate the selected text, this way the translated text will overwrite the original selected text, or you can translate the full page too.

Rated 4 out of 5 stars (433)
33,470 weekly downloads

Youtube Best Video Downloader 2 - MP3 MP4 1080P Compatible with Firefox 57+

@@ Works With new YouTube Layout! @@ https://youtube.com/new/

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!

Rated 3 out of 5 stars (105)
32,074 weekly downloads

ZenMate Security & Privacy VPN

Please note that this add-on has been replaced with a complete WebExtensions powered rewrite to be compatible with Firefox 57.0 and above. Download the new ZenMate for Firefox here: https://addons.mozilla.org/en-US/firefox/addon/zenmate-vpn/

Rated 3 out of 5 stars (363)
31,692 weekly downloads

Ant Video Downloader Requires Restart

It has never been simplier to download videos from Youtube, Dailymotion and from most of the video streaming site.
Just play the video, click on the toolbar, download and play it immediately in our integrated video player.

Rated 4 out of 5 stars (563)
30,114 weekly downloads

AdBlocker for YouTube™ Compatible with Firefox 57+ Featured

Removes all annoying Ads from YouTube

Rated 4 out of 5 stars (97)
28,732 weekly downloads

YouTube Flash Video Player Compatible with Firefox 57+

YouTube Flash Video Player is a powerful tool that will let you choose Flash video player as default YouTube video player.

Rated 5 out of 5 stars (93)
27,409 weekly downloads

Selenium IDE Requires Restart

Selenium IDE is an integrated development environment for Selenium tests. It is implemented as a Firefox extension, and allows you to record, edit, and debug tests.

Rated 4 out of 5 stars (64)
27,169 weekly downloads

FlashGot Mass Downloader Requires Restart

Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.

Rated 5 out of 5 stars (559)
26,900 weekly downloads