Find tools to improve your workflow - right within Firefox.
Permanent web text highlighter
Watch YouTube in the full-HD quality or the highest available one
See your next events, get meeting desktop notifications, add or snooze events without opening the Google Calendar page!
Easily change your geographic location (Geolocation) to your desired one and protect your privacy.
Modern, nice emoji picker that you can use to find 🔎 and select emojis. 😀 It will be copied to your clipboard 📋 or even directly inserted into the page, when you click 🖱️ on it. You will certainly like it. 😎
Download fragmented media files with HLS (HTTP Live Streaming) downloader.
Provides a simple way to open any YouTube video in a popout window
An elegant bookmarks manager with fuzzy search and more
Block Ads Seamlessly on Facebook.com
Find an address quickly using Google Maps. Select an address anywhere on a website, open the context menu, select "Route to ''your address" entry from the context menu and the route to the address will be shown in a new tab.
Add a toolbar button onto any toolbar to undo closed tabs
Watch videos on YouTube fullscreen within your browsers screen.
Adds a page action to pretty-print JSON. Unlike similar extensions, this simply pretty-prints it. It doesn't add any kind of viewer, colors, or collapsing. If you want this to work as expected, disable devtools.jsonview.enabled in about:config.
A simple FireFox add-on that inverts the web page colors (including images) to make pages easier to read in darker settings. Github repo: https://github.com/Max-Github/FireFoxInvertColors
Tools for Torn users.
Allows you to select tabs by dragging and do something.
Additional functionality for your cycling and running analysis. This extension upgrades the Strava™ website.
Counts words in selected text. Select any text, right click and select word count from menu. Know number of words and characters in your selected text.
Various tweaks and enhancements for ArchiveOfOurOwn.org
Provides bullet chatting (danmaku) on YouTube Live, like niconico or bilibili.
This Firefox add-on arranges tabs in a vertical rather than horizontal fashion. Hide and display manually the tab sidebar with a hotkey (Ctrl+Shift+V) or by clicking on the VTR icon.
Adds a dark screen over everything rather than other high contrast "Dark mode" extensions
Move tab to standalone window, without tabs bar, navigation bar and bookmark bar UI.
Stop the YouTube rabbit hole. Customize YouTube's user interface to be less engaging.
