YouTube Speed Controller
Allows YouTube playback at any speed, from 0.1x to 10x. Simple, minimal, and effective.
1,599 users
KDSPY v5
KDPSY v5 is a 'time-saving' research companion that every author – fiction or non-fiction – should have in their toolbox. Research your competitors, potential niche markets, categories, keywords, and title ideas – all while you're browsing Amazon.
1,599 users
The Snake Game
Play the Snake game in popup in your browser. Eat, grow and try not to crash.
1,597 users
Print PDF
Print any Webpage to PDF. No server or third-party processing. Uses built-in Firefox converter.
1,595 users
Content Farm Terminator
Marks content farm links and prevents the user from entering by accident.
1,593 users
Popup ALT Attribute
Popups alternate texts of images or others like NetscapeCommunicator(Navigator) 4.x.
1,592 users
Ember Inspector
Tool for debugging Ember applications.
1,592 users
Passwordstate Password Manager
Passwordstate for Firefox is a form filler extension that obtains credentials from Passwordstate.
1,591 users
AdLock
AdLock for Mozilla Firefox™ blocks any kind of ads that appeared on the browser. Users are tired of annoying pop ads and video banners. AdLock defines the ad's content and damage it.
1,589 users
CSS Exfil Protection
Guard your browser against CSS Exfil attacks! CSS Exfil is a method attackers can use to steal data from web pages using Cascading Style Sheets (CSS). This plugin sanitizes and blocks any CSS rules which may be designed to steal data.
1,587 users
Play in VLC™
Detect streamable video and audio sources and offer to play them in VLC multimedia player
1,587 users
Carrot
Fast and accurate rating predictor for Codeforces
1,586 users
TST Colored Tabs
Colorize each tab in Tree Style Tab sidebar based on domain.
1,584 users
Font Changer
Font Changer allows you change the font of any website with your preferred Google Web Front quickly and easily. Just clicking the extension icon for the options.
1,584 users
Twitter Video Downloader
Download twitter videos easily.
1,580 users
View Templates
Add View Templates & Custom Web Search extension then click the icon on your toolbar to access Online Templates plus Yahoo Web Search.
1,579 users
Morning Coffee Quantum
The Quantum-compatible version of the old favorite. Open daily websites with the click of a button! Users can customize lists for each day of the week, as well as an "every day" list.
1,578 users
Drag-Select Link Text
Select link text with easy mouse gestures.
1,578 users
1,578 users
Seedr
Get Stuff Instantly -- Download and play it anywhere :-) This extension allows you to add Links to the Seedr service directly, so you can Download, Play and access them anywhere. * An https://www.seedr.cc account is required
1,576 users
StatsHunters
Show tiles on Strava, Komoot, Brouter, RWGPS, Garmin and Mapy.cz route builder
1,576 users
Auto Highlight
🟨 Auto Highlight will help you see what's important on the web! ✅ ⚡ Supports RegExp search and many style and highlight options ⭕ 🥷 Hide text by setting font size to zero!
1,576 users
Messenger for Facebook™
Messenger for Facebook™ lets you bring a Messenger right into your browser to chat with your friends.
1,576 users
Search Filter
Allows you to make specified domains STAND OUT or DISAPPEAR from Google, DuckDuckGo, Bing, and StartPage search results.
1,576 users
Google Translate Engine
OpenSearch engine for Google Translate including suggestions aka autocompletion.
1,576 users