Pearltrees
Pearltrees lets you organize everything.
14,266 users
Video Download
Download video effortless directly from your favorite sites: YouTube, Twitter, Pinterest, Soundcloud & Twitch!
14,249 users
Instagram Downloader
Help users download images and videos easily on Instagram
14,226 users
Awesome Vimeo Downloader
Download video from Vimeo by injecting download buttons directly into Vimeo player.
14,224 users
United States English Spellchecker
This dictionary is no longer maintained. Use this dictionary instead.
14,160 users
Dark Theme for Google™
A highly customizable dark theme for Google products (search, images, translate, and contacts)
14,156 users
YouTube Downloader (UDL Helper)
Download YouTube / Instagram / Odnoklassniki videos and extract audio from video with just a few mouse clicks. Supported media formats are MP3, MP4, WEBM. Capture frames from online videos with a screenshot button.
14,145 users
Distill Web Monitor
Monitor website changes and get SMS, email or push notifications on change.
14,145 users
Easy Print
Add Easy Print & Custom Web Search extension then click the icon on your toolbar to access Easy Print plus Yahoo Web Search.
14,059 users
Free Video Downloader
Help you download videos from web sites. it's free, safe, fast and easy to use.Help you download videos from web sites. it's free, safe, fast and easy to use.
14,031 users
Reverso – Translation, dictionary
Translate and learn languages while browsing and watching movies, it’s free.
13,951 users
Sponsored Search by SearchesCentral
Get better search results instantly from your home and new tab page!
13,941 users
DF YouTube (Distraction Free)
Allow yourself to focus while using YouTube for work, recreation or education. Disable autoplay, remove sidebar, hide feed, comments, and more.
13,921 users
PureVPN Proxy - Best VPN for Firefox
A VPN extension that helps you hide your information, access restricted content and browse the internet at fast speeds. Add it now to your Firefox browser and get your 7-day Free VPN trial today!
13,904 users
ShopBack Button
Your all-in-one shopping button - Earning Cashback and Discover best deals! By clicking Add to Firefox, you agree to ShopBack's Terms of Use
13,885 users
有道网页翻译
这个插件已经过时,推荐更好用的网页翻译:https://addons.mozilla.org/zh-CN/firefox/addon/traduzir-paginas-web/?utm_source=addons.mozilla.org&utm_medium=referral&utm_content=search ,不用跳转即可翻译。
13,844 users
Empty Cache Button
Cache clearing made easy. One click.
13,777 users
The Stream Detector
This addon provides an easy way to keep track of manifests and subtitles used by various streaming protocols. Also allows for detecting custom file types and downloading media files.
13,772 users
polkadot{.js} extension
Manage your Polkadot accounts outside of dapps. Injects the accounts and allows signs transactions for a specific account.
13,742 users
Download with JDownloader
when activated, interrupts the built-in download manager to direct links to JDownloader
13,719 users
Private Internet Access
Defeat censorship, unblock any website and access the open Internet the way it was meant to be with Private Internet Access®
13,667 users
13,628 users
javascript
add javascript that will run on this domain. back up your scripts in the options area (shortcut there by clicking the "JS" letters in the bottom right)
13,601 users
Zoom Image
As though the mouse wheel rotate by the right click on the images, you can do the images extenting / reducing / rotating and so on. It can be expanded regardless of design. Also you can drag zoomed images.
13,553 users
English (Australian) Dictionary
Australian English Dictionary for Mozilla applications.
13,483 users