Explore powerful tools and features to customize Firefox and make the browser all your own.
Finally, an efficient blocker. Easy on CPU and memory.
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
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).
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.
Play game Flappy Bird when you open a new tab. Try to fly the bird as far as you can without hitting a pipe!
Ad Blocking, remastered. Incognito Adblocker took all of the best ad blocking and privacy protection features you’d expect in an adblocker extension and advanced them to create the best adblock extension yet.
Best adblock for YouTube, faster and lighter than other ad blockers. It automatically hides all kind of YouTube ads (YouTube banner ads and YouTube video ads).
瞬间过滤B站(bilibili.com)刷屏的相似弹幕，还你清爽的弹幕视频体验。 *a tweak for a Chinese website. Please ignore this add-on if you are not a user of bilibili.com.*
Gemalto Web Signer is a digital signature−based software solution designed to protect and secure Internet transactions. © Gemalto 2018
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!
Single Sign-on Assistant provides a secure way for users of Access Manager, CloudAccess and SecureLogin to automate authentication to configured applications, providing a single sign-on experience.
Download fast and free any online video from your favourite webistes with the lastest version of Ummy Video Downloader.