Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Tab2QR
Send the page you are currently viewing to your mobile device. QR codes are generated instantly in browser and never leave your computer. Implemented with WebExtensions API and compatible with Firefox 57+.
6,282 users
Mute Tab (WebExtension)
Easily mute all tabs with just one click!
6,056 users
Wikipedia Peek
Shows previews of linked articles on Wikipedia pages.
3,018 users
Grammar and Spell Checker - LanguageTool
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.
45,056 users
Lazada Price Tracker
Lazada Price Tracking 1. Track historical price of any Lazada products. 2. Shortcuts visit Lazada.
79 users
京价保 - 京东价保助手
京价保（京价宝）是自动为你申请京东价格保护，自动签到领京豆，自动领券的多功能京东助手
1,404 users
Saladict
Feature-rich inline translator with PDF support. Vimium compatible.
2,944 users
Scholarscope
自动加载PubMed搜索结果中期刊的信息，显示它们的影响因子以及该领域的排名。 Pubmed是美国国立卫生研究所管理的、向全球开放的数据库。用户可以在网站上检索已经或是即将发表的文献，并查看这些文献的相关信息，包括作者、期刊、发表日期、摘要和下载信息。网站链接为 https://www.ncbi.nlm.nih.gov/pubmed/
3,490 users
Emsisoft Browser Security
Blocks bad websites and prevents phishing without tracking your browsing activity.
6,920 users
Adblocker for YouTube™
Adblock Features: + Adblock on every Youtube Video + Malware- and Adblock + Performance enhancement in browsing speed. + Adblock of ads, banners and pre-rolls on Youtube. + No more Banner, PopUp, PopUnder + INSTALL ADBLOCK
45,640 users
YouTube Download Helper
2018 updated downlaod helper for YouTube. Download any video from YouTube to MP3, MP4, WEBM, M4A or 3GP. Subtitles and thumbnails also available for download with a single mouse click!
5,440 users
Clever
A companion for students and teachers that extends the Clever Portal to enable Saved Password applications.
1,539 users