Fire Drag
Provide drag-and-drop utilities for texts and links
3,100 users
Page Ruler
Measure page elements size in pixel with an easy-to-use ruler.
3,090 users
Open bookmarks in a new tab
Open bookmarks in a new tab
3,044 users
Popup window
Move tab to standalone window, without tabs bar, navigation bar and bookmark bar UI.
3,031 users
Dark Mode
Adds a dark screen over everything rather than other high contrast "Dark mode" extensions
3,009 users
New Tab from Location Bar
Opens new tabs from the location bar, by conditions.
2,956 users
Tree Tabs
You can manage your tabs in a tree structure. Themes: https://goo.gl/UtQ5vG Some of many features: - Drag&drop tabs to make trees - Select multiple tabs at once using ctrl or shift keys. - Search tabs using search tool
2,908 users
Session Boss
Save and restore browser tab sessions.
2,903 users
Merge Windows
Merges the tabs from multiple windows together into one window. Extension won't show context menu item when there aren't more than one window of the same type to merge together. Private windows will only merge with private windows not normal.
2,885 users
Open in Foxit™ Reader
Adds a context menu item to send PDF links directly to Foxit™ Reader
2,881 users
Workona Spaces & Tab Manager
Workona helps you get your work under control and finally feel organized. Use it to manage tabs, organize projects, and bring together all of your work in the browser. Watch the video here: https://workona.com/videos/tab-manager
2,880 users
YouTube to MP3 Downloader
This extension add a download button on any Youtube page and allows you to download MP3 & Video with just one click.
2,869 users
FoxFilter
Recently called "THE Parental Control for Firefox"! FoxFilter is a personal content filter that helps block pornographic and other inappropriate content.
2,765 users
GMail Checker Simple
Very lightweight Firefox 57+ (WebExtension) Compatibile Gmail checker Add-On. Onclick: open GMail. English version.
2,737 users
Distract Me Not (website blocker)
Stay focused in a world full of distractions.
2,735 users
Audio Output Selector
Allows you to change the audio output device of <audio> and <video> elements. Requires media.setsinkid.enabled set to true in about:config!
2,713 users
CopyTabTitleUrl
Copy the title and URL to the clipboard.
2,661 users
All Tabs Helper
Provides list-style menu to do closing, loading, unloading, moving of single/multiple tabs. Search tab titles/urls, search content in all loaded tabs, visited tabs history, find duplicate tabs. (Window-centric except moves tabs across windows)
2,619 users
Rename Tab Title
Renames the Tab Title (Persistent across the sessions). Renaming to add custom words in tab titles makes it easy to search for tabs in the address bar.
2,562 users
Freedom - Website Blocker
The Freedom website blocker gives you control over distracting websites, so you can focus on what matters most.
2,551 users
eBesucher Addon
Discover new websites and get paid with the eBesucher add-on
2,510 users
Convert to MP3
Convert and download video & audio files to .mp3 file format!
2,445 users
Auto Youtube Shorts Scroller
Auto YouTube Shorts Scroller is a helpful tool that automatically scrolls to the next YT Short when one ends.
2,388 users
恢复标签页
Add an icon to the toolbar.When you clicked the icon ,this tool restores the single most recently-closed session, whether it's a tab or a window ; 向工具栏添加一个图标,单击,恢复最近关闭的标签或窗口。
2,380 users
Duplicate Tab Shortcut
Press Alt+Shift+D to duplicate the current tab (Option+Shift+D on Mac).
2,366 users