Most Popular Extensions
Manage any SQLite database on your computer.
µBlock No Restart
NOTE: Users should be aware that this add-on represents an older fork. The original developer of uBlock is continuing to actively develop the newer fork uBlock Origin.
Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!
Password Exporter No Restart
This extension allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.
Manage popular downloaders (Windows, Linux, Mac) and support special links of thunder,flashget,qqdl,ed2k,magnet,fs2you.
Self-Destructing Cookies No Restart Featured
Fix the web. Gets rid of a site's cookies and LocalStorage as soon as you close its tabs. Protects against trackers and zombie-cookies. Trustworthy services can be whitelisted.
AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.
HTTPS Everywhere Featured
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.
Use the Belgian electronic identity card (eID) in Firefox
FVD Speed Dial - Speed dial button, online synchronization, new tab start page, bookmark organization, custom backgrounds, custom dials, groups, mobile apps, most-visited dials.
— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!
Reloads web pages every so many seconds or minutes. The function is accessible via the context menu (menu you get when you right click on a web page) or via tab context menu (right click on the tab)
Helps you to save Web pages and organize the collection.
View HTTP headers of a page and while browsing.
Adds zoom and rotation functionality for images...
Notice: some important features (XML indentation and load old saved requests) are missing in version 2.0.0, please update to version 2.0.1.
Please follow the link ("View other versions") below To install version 2.0.1.
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.