Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
27,352 users
CanvasBlocker
Alters some JS APIs to prevent fingerprinting.
25,625 users
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
22,841 users
22,501 users
Foxy Gestures
Mouse gestures for Firefox. A web extension alternative to FireGestures created by a long time FireGestures user.
22,001 users
Emoji
It permits just with a single click to copy an emoji. There is a search-box and the "Most used emojis" section (the first one). If you want to send feedback or report bug, please contact me: https://www.emojiaddon.com/help
21,472 users
FoxyTab
Collection of Tab Related Actions e.g. Duplicate, Close Duplicates, Close to the Left, Copy Title, Merge Windows, Save as PDF, Copy Urls Tab/All/Left/Right, Host keep/close/close other, Sort by URL/Title, Asce/Desc, Move, Reload, Reload Timer
21,330 users
PocketTube: Youtube Subscription Manager
The best way to group your subscriptions Using this simple extension you can create collections that seamlessly fit into YouTube's layout.
19,938 users
Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
19,633 users
19,199 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.
18,864 users
Snap Links Plus
Select a number of links with a rectangle and open them in new tabs. You can also lasso checkboxes to quickly check or uncheck them. Works with radio buttons as well.
18,779 users
Forecastfox (fix version)
Get international weather updates (via AccuWeather.com) displayed right in Firefox with this highly customizable extension.
18,298 users
History Cleaner
Deletes browsing history older than a specified number of days.
16,149 users
Link Gopher
Extracts all links from web page, sorts them, removes duplicates, and displays them in a new tab for inspection or copy and paste into other systems.
16,075 users
ScrollAnywhere
Scroll page without touching scroll-bar! Press Middle (Right / Left) mouse button anywhere on the page to scroll just like with scrollbar. Features also: - "grab and drag" scrolling - customizable scrollbars! - the Momentum auto-scroll
15,794 users
automaticDark - Time-Based Theme Changer
Automatically change Firefox's theme based on the time.
15,240 users
14,859 users
Livemarks
Get auto-updated RSS feed bookmark folders.
14,664 users
Clippings
Save frequently-entered text for pasting later.
14,073 users
Default Bookmark Folder
Allows you to choose the default bookmark location folder and quickly bookmark pages via a dedicated icon.
14,037 users
Minimal Theme for 𝕏 / Twitter
Declutter and refine the 𝕏 / Twitter web experience.
13,446 users
13,064 users
Stylebot
Change the appearance of the web instantly
12,539 users
FoxClocks
FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.
11,925 users