扩展就像是您浏览器上的应用程序。
为 Firefox 增添功能，让上网变得更快、更智能，乐趣十足。
Google Keep Notes
Google Keep Notes brings Google Keep right into your Firefox Sidebar.
13,984 个用户
Timer (alarm, timer and stopwatch)
Stylish timer combined with stopwatch and alarm for your browser.
2,948 个用户
Sticky Notes
Simple sticky notes utility which provides facility to make small notes of any thing.
1,081 个用户
Note Taker
Adds a text box to a toolbar button for taking notes
2,791 个用户
Group Speed Dial
Speed Dial / visual bookmarks with groups for power users. Now you can fit all your favorite sites into one fast SpeedDial in an organized fashion. Dials are synchronized through Cloud to all your devices! For free! No Ads! www.FastAddons.com
55,906 个用户
Easy Youtube Video Downloader Express
WORKS WITH NEW YOUTUBE LAYOUT, "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.
413,120 个用户
AdBlock 广告过滤器 Firefox 版
现在，Firefox 也有了在 Chrome 以及 Safari 上最流行的广告拦截利器！它能拦截任何网页的任何广告，甚至是Facebook、Youtube 和 Hulu 的广告。浏览也更快捷了！大多数广告甚至不允许下载，这节省了你的时间和流量。
1,337,591 个用户
Firefox Multi-Account Containers
Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs that preserve your privacy. Cookies are separated by container, allowing you to use the web with multiple identities or accounts simultaneously.
177,535 个用户
护眼神器
适时提醒你该让眼睛休息了
1,503 个用户
Hydrator
Hydrator reminds you to drink water with a preset time using simple browser notifications!
1,070 个用户
Take a Break
This add-on helps you to remember to take breaks at regular intervals. You can select from a list of options to receive a notification to stretch up/ go for a walk after every 30 mins, 1 hour, 2 hours or 3 hours.
583 个用户
Healthy Back
Healthy Back is your personal assistant who reminds you to sit up straight.
427 个用户