Youtube Playback Speed Buttons
Control speed of the youtube playback using keyboard. Press '>>' button to increase and '<<' button to decrease the playback speed.
581 users
New Tab Same Group
Opens new tabs in the same group as the active one — right after, at the beginning, or at the end. Supports Firefox’s native tab groups, vertical (sidebar) or horizontal (classic) modes.
580 users
Play to Kodi
Play, queue and remote control your favourite online media on Kodi / XBMC. This is a port of an add-on developed originally for Google Chrome.
579 users
Porn site Blocker
A basic porn site blocker addons for firefox browser.t blocks the detected site automatically.You can help us to prevent the porn site. Please send us a review, create a issue and give the site name which site is not listed.
579 users
Google Cal Event Merge
Chrome extension that visually merges the same event on multiple Google Calendars into one event. Source: https://github.com/imightbeamy/gcal-multical-event-merge
579 users
4Chan Gallery Mode WG
Adds gallery button to 4chan thread views with keyboard shortcuts. HI! The new version has new permissions for 1) easy save (downloads perm) and 2) openai experiments. If you don't want to use those functions, do not use it. Thanks!
574 users
IMDb Search (Internet Movie Database)
Select some text, right-click and choose "Search in IMDb" in the menu, a new tab will open with the searched text in IMDb (all topics).
574 users
Tumblr High Quality
When viewing an image on Tumblr, loads the original raw image instead of the default lower resolution.
572 users
Very Simple Notepad
This is a Very Simple Notepad. Good for everything. Just jot down your Ideas or notes so you don't forget them. Very helpful. Saves when you close it. Saves and works on all tabs. If you can support, please do so at PAYPAL.ME/USEFULPROGRAMMER
572 users
Remove Anything
Remove anything (objects or selected text) from any page via the right-click menu. This is intended to be a WebExtensions alternative to "Nuke Anything Enhanced." Almost all of its features are supported, and the undo/redo system has been improved.
566 users
Codeforces Rating-Based Heatmap
Displays a rating-based problem-solving heatmap on Codeforces profile pages.
566 users
Automatic Reader View
Automatically load webpages in Firefox's Reader View – as the default for the websites you specify.
564 users
YouTube Dark Mode Pro
Bring the dark theme to YouTube. This mode will reduce eyestrain and protect your eyes.
563 users
Telegram
Telegram Web tab will be pinned to Firefox. If Telegram tab is not present, a new one will be created.
558 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.
557 users
SixIndicator
Shows a simple icon, if IPv6 or IPv4 was used for the request of the site. When clicking on the icon, more information is shown, like the number of requests per domain and if these requests were made via IPv6 or IPv4.
555 users
OurStickys - Sticky Notes on every page
Add Persistent Sticky Notes anywhere on any web page, they will reappear when you re-open the page
555 users
Thematic (was Persona Switcher)
Quickly switch between your themes or reset the theme back to the default via a menu or the keyboard. You can also automatically rotate through all of your themes on a time interval you select. Works for Firefox and Thunderbird.
555 users
