Tabby - Window & Tab Manager
Tabby helps you manage a lot of windows and tabs easily; it can help you open, close, move, pin, and do many other things on tabs and windows quickly. With Tabby, you can even save all you windows and tabs for later with just one click!
8,913 users
Zoom Page WE
Zoom web pages (either per-site or per-tab) using full-page zoom, text-only zoom and minimum font size. Fit-to-width zooming can be applied to pages automatically. Fit-to-window scaling can be applied to small images.
18,791 users
Window Resizer
Easily set the layout (size & position) of your browser window
4,875 users
WindowSizer
Quickly resize the window to one of your favorite sizes
1,657 users
Browser Windows Size
If you want to get the width and height of your browser window, install this extension.
17 users
Window Resizer
Window resizer is a utility extension that allows you to resize any browsing window to a list of options or customize the size per your needs.
206 users
Window Resizer
Resize the browser window. The resolution list supports customization.
1,143 users
Window Layout Resizer
Resize the current window into different customizable layouts (Multiple monitors are supported).
572 users
Resize Window & Viewport
Resize browser window or viewport to desired screen widths. Firefox's Responsive Design Mode (Ctrl + Shift + M) is great for mobile devices emulation.
1,187 users
Window Resizer
Resize and align the CURRENT layout to the predefined position with multi monitor support
120 users
Display Window Size
"Display Window Size" is a handy Firefox addon that allows users to view the current window size of their browser. With this addon, users can easily see the dimensions of their browser window and adjust elements on webpages more accurately.
5 users
Window Titler
Label your windows and profiles using custom window titles.
5,213 users
Popup window
Move tab to standalone window, without tabs bar, navigation bar and bookmark bar UI.
3,101 users
Window Resize
调整浏览器窗口为预设的指定大小! Resizes the browser window to match customizable dimensions
106 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.
2,854 users
Simple Window Resizer
Quickly moves your Firefox window to a pre-defined position on your screen.
133 users
showWindowSize
Utility for displaying browser window size
2 users
windowed-fullscreen-video
make video fullscreen in window
1,397 users
Window Merger
Merge specified browser windows into each other. Or all of them into one. Simply right click to open Firefox’s context menu when multiple windows are open, or configure a keyboard shortcut. All wrapped up in one tiny free extension.
825 users
Windows 10 Accounts Port
Sign in to supported websites with accounts on Windows 10. Ported from the Chrome's Windows 10 Accounts extension.
3,973 users
365 users
425 users
1,063 users
Silence Window
Use Ctrl+Shift+U or click the icon to mute a window. Also mutes new tabs on a muted window.
401 users
Minimize Window Button
Toolbar button to minimize current window
229 users