Tab Counter
Add a badge to the toolbar that shows the number of currently open tabs in a window or all windows.
8,760 个用户
SQLite Manager
manage, edit, manipulate, plot and save one or multiple SQLite databases simultaneously
8,714 个用户
Markdown Viewer
Markdown Viewer with 30+ Themes, Dark Mode, MathJax, Mermaid diagrams, Syntax Highlighted code blocks
8,601 个用户
Sponsored Search by SearchesCentral
Get better search results instantly from your home and new tab page!
8,430 个用户
Ignore X-Frame-Options Header
Allows all sites to be loaded in iframes, despite X-Frame-Options header settings.
8,427 个用户
Pinned Google Calendar
Go to the pinned Google Calendar tab. If it doesn't exist, it's created.
8,396 个用户
Bulk Image Downloader
Integrates Bulk Image Downloader (a Windows only app that must be installed separately) with FireFox. Download full sized images from almost any thumbnailed web gallery. Supports most popular image hosts such as imagevenue, imagefap, flickr, etc.
7,985 个用户
Breez ClickOnce
Breez ClickOnce enables ClickOnce support in Mozilla Firefox. It is required to be able to launch any Windows Forms or Windows Presentation Foundation application that is based on Microsoft's ClickOnce technology.
7,785 个用户
Ant Download Manager
antFF is Ant Download Manager software integration module for Windows platforms. For everyone who thinks that we are the same as is Ant Video Downloader - we are not Ant Video Downloader, we are another software, we are another group of developers.
7,702 个用户
Session Sync
Save sessions as bookmarks and access them across devices. Advanced Session Manager: edit, save, change, restore. It can also be your best Bookmark Manager
7,335 个用户
Easy Youtube Video Downloader
No# 1 Rated Youtube Video Downloader for firefox web-browser with MP3 and Full-HD downloads. Instant, one-click Youtube video downloader with high-quality 256Kbps/128Kbps MP3 and Full-HD video downloading options.
7,274 个用户
Html Validator
HTML Validator is a Mozilla extension that adds HTML validation inside Firefox, Mozilla. The number of errors of a HTML page is seen on the form of an icon For Firefox 56, use 0.974 (see all versions below). For Firefox 57, see Web Extensions.
7,220 个用户
GSConnect
Share links with GSConnect, direct to the browser or by SMS. Requires at least v7 of the Gnome Shell extension to function.
7,168 个用户
