Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Google Search Fixer
Override the user-agent string presented to Google Search pages to receive the search experience shown to Chrome.
7,125 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1,146,082 users
Adblock Plus
Blocks annoying video ads on YouTube, Facebook ads, banners and much more. Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
11,106,442 users
HTTPS Everywhere
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.
501,565 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/
2,654 users
Markdown Here
Write your email in Markdown, then make it pretty.
5,756 users
Evernote Easy Access in Pinned Tab
I always enjoyed using Evernote and would love to have an easy access to its superb services. With this addon, you can simply press Alt+P or just click on the extension icon to jump to Evernote in a pinned tab.
1,228 users
Steam Database
Adds Steam Database link across Steam Community and Store.
14,915 users
Buster: Captcha Solver for Humans
Save time by asking Buster to solve captchas for you.
1,704 users
YouTube Download Tool
Download any YouTube video in your favorite format.
4,888 users
YouTube Video Downloader
Download any YouTube video in your favorite format.
8,854 users
Google Translator with Right Click
Selected any text on web pages and translate it to your preferred language with Google Translate.
1,510 users