Adds a button to enable or disable global dark mode. Manual configuration is required since the default colors are still black text on white background.
Simply focus on the video with theater mode add-on
A logical game in which you need to connect 3 items of the same color, so that they disappear. Relax and play this game!
Control the playback speed of Plex Web App player. Lightweight, with custom speeds and keyboard shortcuts.
Style your new tab - add beautiful and high quality pictures to new tabs.
This add-on allows FireFox to call the locally installed IrisGuard EyeBank APIs using native messaging, giving the user full functionality of all IrisGuard EyeBank APIs calls such as capturing iris images and doing a recognition.
Find out how many characters there are in a selection by simply right-clicking it.
Automatically saves any textarea typed in, and allows the user to view saved textarea content by clicking on a button.
Extra sounds for your Firefox (Navigation, downloads, and more)
Adds SciHub links to popular publishing websites to make free access to science even easier.
A simple extension that opens new tab or duplicates right beside the current tab. Many other browsers have "open a new tab right next to current tab" feature built in but not Firefox, and so this extension was created.
Hides W3Schools results from Google's searches
Sidebar for Firefox
Redirects all requests to wikipedia to wikiwand to improve user experience
Adds close all tabs button. The button opens a new tab and closes all existing tabs.
Allow user to edit web-page textareas with Emacs (and other editors).
Add a search provider for Google.co.jp
G-Translate support more than 100 languages. Right click and translate your selected text.
Stylish analog clock for your browser toolbar.
Calculate the price range for property advertised on Real Estate.
Hide YouTube end cards, which are displayed at the end of YouTube videos with a single click.
Automatically changes the active theme each time the browser starts.
Shows image resolution and size on mouse hover.
Replaces the default New Tab page and displays the contents of a bookmark folder including a thumbnail every time you open a new tab. The homepage is also replaced unless you choose not to. Check out the screenshots
Automatically send an Okta Verify push notification or SMS.
Restyle the web with xStyle, a user styles manager. With xStyle you can install themes & skins for many sites and create your own.
A todo addon which lets you to keep a track of your work, stays in browser and available on just a click.
Add your tasks with a click or just enter, mark them done, or remove it from list.
Change the font on any website to one installed on your computer or hosted on the web.
A Firefox devtool extension for inspecting the performance of React components.
An extension for Chrome/Chromium, Firefox, Opera and Edge designed to render a web page more readable in a dark environment by decreasing page brightness or by increasing page contrast. This extension also have a night mode and others tools.