Extensions by Weekly Downloads

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Awesome Screenshot Plus - Capture, Annotate & More Compatible with Firefox 57+ Featured

Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!

Rated 4 out of 5 stars (1,562)
50,782 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.

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 (133)
45,084 weekly downloads

Ghostery Compatible with Firefox 57+ Featured

Increase your browsing privacy, protection, and speed.

Rated 4 out of 5 stars (1,510)
41,882 weekly downloads

Browsec VPN

Best VPN addon for Firefox.

Rated 3 out of 5 stars (225)
41,730 weekly downloads

Easy Youtube Video Downloader Express Compatible with Firefox 57+ Featured

"Best Youtube Video Downloader", Only one with 1080p Full-HD and 256kbps MP3 Direct Links. A clean, fast and simple addon for superfast and easy downloads in FLV, 3GP, MP3, MP4, 720p, 1080p qualities on Youtube pages.

Rated 4 out of 5 stars (1,261)
41,245 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 (21)
40,927 weekly downloads

AdBlocker Ultimate Compatible with Firefox 57+ Featured

Free and improved ad blocker. Completely remove ALL ads. No "acceptable" ads or whitelisted advertisers, block tracking, block malware!

Rated 5 out of 5 stars (2,090)
39,837 weekly downloads

Video Downloader professional Compatible with Firefox 57+

- download and save videos embedded into a website to your hard disk
- add youtube, vimeo and other videos easily to your video list
- supports up to 4k videos

Rated 4 out of 5 stars (824)
38,336 weekly downloads

Easy Screenshot

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

Rated 4 out of 5 stars (155)
36,715 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 (543)
35,451 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 (409)
35,068 weekly downloads

Grammarly for Firefox Compatible with Firefox 57+ Featured

Grammarly will help you communicate more effectively. As you type, Grammarly flags mistakes and helps you make sure your messages, documents, and social media posts are clear, mistake-free, and impactful.

Rated 4 out of 5 stars (209)
32,996 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 (100)
32,548 weekly downloads

ZenMate Security & Privacy VPN

Unblock the web and change your IP with 4 locations across the globe. ZenMate secures your browsing with encryption - protecting you from hackers, snoopers and data thieves who prey on unsecure connections.

Rated 3 out of 5 stars (332)
32,408 weekly downloads

HTTPS Everywhere Requires Restart Featured

Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.

Rated 4 out of 5 stars (224)
28,554 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 (547)
27,250 weekly downloads

Adguard AdBlocker

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

Rated 5 out of 5 stars (394)
27,211 weekly downloads

1-Click Downloader (Video or Photo) Compatible with Firefox 57+

Click to download any Youtube, Instagram, Facebook, Vid.me, Streamable, LiveLeak, Vine video or photo.

Rated 5 out of 5 stars (94)
26,909 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 (97)
25,057 weekly downloads

Hotspot Shield Free VPN Proxy – Unblock Sites

Unblock any blocked website or content and stay secure and private with Hotspot Shield VPN. Easy-to-use interface with one-click activation. Unlimited bandwidth, completely FREE!

Rated 3 out of 5 stars (178)
23,093 weekly downloads