Code Editor
Powered by the Monaco Editor, it provides support for basic syntax colorization, IntelliSense, validation and Diff Editor features.
616 users
Font Inspector (WebExtension)
Click on any element to get the font info in a page popup
615 users
Image Reader (OCR)
Easily get words out of an image with OCR engine!
612 users
Tab Split Merger
Split tabs into separate windows and easily merge them back together into one.
612 users
View Image in New Tab
Adds the ‘View Image in New Tab’ context menu item to the Firefox Context Menu.
610 users
Download Accelerator and Manager
Easily manage and accelerate your downloads up to 5 times!
609 users
Mute Site
Allows to instantly mute/unmute all tabs from a website.
607 users
[Dark Theme] - Native Dark
Native Dark allows for customization to match your system accent colors. Read the README file for advanced instructions. https://github.com/spikespaz/firefox-nativedark/blob/legacy/README.md
607 users
Dark Theme for Facebook™
A schedulable and customizable dark theme for facebook.com and messenger.com
598 users
PiHole Browser Extension
Browser extension to control your PiHole. Built with Vue, Typescript and ❤
597 users
Bazzacuda Image Saver Plus^2
One-click, or two-clicks, batch saving of images opened in tabs. This extension will cycle through all open tabs. If tab contains a single image, the image will be saved to disk and, optionally, the tab will be closed.
595 users
Brightness Slider Per Tab
Adjust brightness per tab. Minimal permissions. Low resource usage.
586 users
Easy Session Manager
Easy Session Manager allows you to manage your Firefox session (tabs) by backing up or loading them in your current profile.
585 users
[TST] Colorize Tabs
This extension allows to set individual color for each tab in order to highlight it
579 users
Rize
Extends the compatibility of Rize on Firefox so that URLs can be detected.
569 users
Bulk URL Opener
Opens multiple URLs in one click
567 users
Save Tab URLs
Show, save and restore the page URLs along with page Titles of all opened tabs of current browser window. Show as copyable plaintext. Save and restore from text file.
562 users
Open in Safari
Open current page, link, or all tabs in the Safari browser.
561 users
Containers Helper
Helps improve container management by providing container searching, deleting, modifying, duplicating, and default URLs on a per-container or bulk basis. Complements the multi-account containers addon.
560 users
Mute YouTube ads
Mutes any www.youtube.com tab when it detects video ads on it. Unmutes the tab when the ads are gone. Backs out on tabs where you manually change the muted state of the tab.
559 users
Close Tab Button Quantum
Toolbar button to close the current tab. Works on the newest version of Firefox. This is a replacement for browser.tabs.closeButtons feature set to '3' of old firefox.
551 users
My notes
Add anotations in a webpage, that will be available in your next visit. There are different kind of anotations, as sticky notes, multimedia recordings (audio/video) or text highlighting. Export and share your anotations.
545 users
Color Temperature (Change Lux)
An easy to use screen color temperature addon!
545 users
Visual bookmarks
Simple speed dial bookmarks page, including search, add, edit, delete and dragging bookmarks.
545 users
Simple link preview
Preview links without leaving your current page.
544 users