9,476 users
HackBar
A HackBar for new firefox (Firefox Quantum). This addon is written in webextension and alternatives to the XUL version of original Hackbar. Press F12 to use HackBar
9,472 users
You.com | The Search Engine You Control
Sets Firefox's default search engine to You.com
9,450 users
X-notifier (for Gmail,Hotmail,Yahoo,AOL ...)
Notifier for gmail, yahoo, hotmail, aol and more webmails. X-notifier(aka WebMail Notifier) checks your webmail accounts and notifies the number of unread emails... Supports : gmail, yahoo, hotmail, and more
9,413 users
Türkçe Yazım Denetimi
Türkçe Yazım Denetimi Turkish Spellchecker
9,409 users
Clickbait Remover for Youtube
Replaces thumbnails and modifies titles of videos on youtube.com and m.youtube.com
9,346 users
Slovak spell checking dictionary
Slovak spell checking dictionary for Mozilla applications (based on the "open-source" dictionaries by Zdenko Podobný).
9,344 users
Don't Fuck With Paste
This add-on stops websites from blocking copy and paste for password fields and other input fields.
9,339 users
Capture & Print
This add-on lets you print a webpage's area easily.
9,320 users
Disable HTML5 Autoplay
Disable autoplay and preloading of HTML5 video and audio players.
9,297 users
Profile Switcher for Firefox
Create, manage and switch between browser profiles seamlessly.
9,290 users
Open Link with New Tab
Open the link in a new tab depending on the setting.
9,283 users
MarkDownload - Markdown Web Clipper
This extension works like a web clipper, but it downloads articles in a markdown format. Turndown and Readability.js are used as core libraries. It is not guaranteed to work with all websites.
9,270 users
Stylebot
Change the appearance of the web instantly
9,230 users
Alitools shopping assistant
Auto-find & apply AliExpress ™ promo codes, price history, seller rating, similar products, find item by picture
9,214 users
9,207 users
New Tab Suspender
A very lightweight tab suspender to suspend inactive tabs that reduces an overall memory usage of Firefox, uses a Firefox native discard API
9,187 users
FantasyPros: Win your Fantasy League
Get expert advice for your fantasy team from any website
9,138 users
Html Validator
HTML Validator is a Mozilla extension that adds HTML validation inside Firefox, Mozilla. The number of errors of a HTML page is seen on the form of an icon For Firefox 56, use 0.974 (see all versions below). For Firefox 57, see Web Extensions.
9,125 users
WhatRuns
Discover what runs a website - This Firefox extension helps you identify technologies used on any website at the click of a button.
9,116 users
Private Bookmarks
Enables a password-protected bookmark folder.
9,099 users
Instant Gaming
Browse the web for your favorite games and always know if they are available at Instant-Gaming.com !
9,089 users
EditThisCookie
EditThisCookie is a cookie manager.
9,084 users
Activate Reader View
This add-on adds a button to the toolbar. Clicking on it activates the Reader View even if the icon in the address bar is not present.
9,075 users
Google Page Translate
Adds a toolbar button to open Google Page Translate for the current tab.
9,062 users