Browse 1,749 Mozilla Firefox Plugins, Add-ons and extension on AlternativeTo.
Hover your mouse over any image on the supported websites and the extension will automatically enlarge the image to its full size, making sure that it still fits into the browser window.
Imagusand
Image Max URL
Free Efficient Database IDE. Featuring Server Discovery, ERD, Data Generator, AI, NoSQL Structure Manager, Database Versioning and many more.
Privacy, simplified. Our add-on provides the privacy essentials you need to seamlessly take control of your personal information, no matter where the internet takes you: tracker blocking, smarter encryption, DuckDuckGo private search, and more.
uBlock Origin
Auto Tab Discard a lightweight extension that uses the native method (tabs.discard) to unload or suspend browser tabs to significantly reduce the memory footprint of your browser when many tabs are opened.
The Marvellous Suspender
CNET Shopping helps you get the best prices on your favorite products. Get promo codes and discounts with a single click.
This extension helps you control more of your web activity from Facebook by isolating your identity into a separate container.
Firefox Multi-account Containers
An enhancer/customiser for the all-in-one productivity workspace Notion.
NoteShot for Notion: AI Photo
Mue replaces your default new tab page with a simple, inspiring and very customisable start page. Each time you open a new tab you are greeted with a new hand-picked inspirational quote and beautiful background.
Turbo Download Manager is a multi-threading download manager for Chrome and Opera as a browser extension and for Android, Windows, Linux, and Mac OS as an stand-alone application. It can be used to boost your downloading speed as well as to protect your download on a non-stable...
JDownloader
Bulk Media Downloader grabs and downloads all sort of media resources in bulk. You can filter different types to prevent cluttering the grabber window. It also has a pause button to stop appending more resources.
JDownloaderand
yt-dlp
Your personal encyclopedia! Summarize any online content and save it to your knowledge base where it's automatically organized and interlinked for easy rediscovery.
Intuitive screenshots baked right into the browser. Capture, save and share screenshots as you browse the Web using Firefox.
Ever wished your online searches could make a positive impact on the planet? Now, with Search For Trees, your every click contributes to planting trees for free!
DuckDuckGoand
Startpage
All we know the availability of popular AdBlockers lying around... but frankly, these are too bloated with several features and options which most of us don't use beyond the defaults. So, this extension was made for those of us who don't care about all that stuff but...
uBlock Origin
Drag scrollbar with your middle mouse button anywhere on the page. Supports also "grab and drag" style.
Smart Scrolland
DragToScroll
"User Agent Switcher and Manager" spoofs browser's User-Agent string. This string is used by web servers to provide content to you. Based on your browser type and operating system, web servers might provide different HTML content (like a different styling or lower...
Browser Boost
dlvr.it helps you do social in less time. Share to multiple social networks at once. Post & schedule from anywhere. Engage your audience everywhere.
Redesigned new tab page featuring your bookmarks, apps, most visited, recently closed in a custom layout.
Save a complete web page (or just its current state) as a single HTML enhanced file that can be displayed in any browser.
SingleFileand
HTTrack
Progressive Web Apps (PWAs) are web apps that use web APIs and features along with progressive enhancement strategy to bring a native app-like user experience to cross-platform web applications. Although Firefox supports many of Progressive Web App APIs, it does not support...
Spiderand
Quick Web Apps
A free, full-featured podcast player with seamless device synchronization, episode downloads, offline mode and more.
AntennaPodand
Pocket Casts
PageSpeed Insights (PSI) reports on the performance of a page on both mobile and desktop devices, and provides suggestions on how that page may be improved.
Employee time tracking with dashboards, optional screenshots, offline tracking, and productivity analytics; supports 60+ integrations and client logins.
ActivityWatchand
Insightful
Alldebrid is an online accelerator service. The utility of a downloader lies in its ability to eliminate any restrictions imposed by a compatible file hosting service. In order to be able to do that, once premium, simply reach our online tool, and copy your links to unlock.
TorBoxand
Real-Debrid
Capture full web page screenshots in Firefox, Chrome, Opera, Pale Moon or Internet Explorer Quick screenshots and annotations!
