Mozilla Firefox Plugins, Add-ons and extension Page 4 of 75

Fast & free RSS feed reader as a browser extension for Chrome, Vivaldi, Edge, Brave and Firefox for reading blogs, news or any RSS, Atom or RDF based feed.

Download Firefox extensions and themes. They’re like apps for your browser. They can block annoying ads, protect passwords, change browser appearance, and more.

A reading app that keeps you in the flow of your online reading & research. Save, annotate, share & collaborate without leaving your tab.

A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.

This extension will automatically remove tracking elements from URLs to help protect your privacy when browse through the Internet.

A local-first tool for article and webpage saving with offline full-text search, organizing capabilities, and privacy-focused features.

Tampermonkey is a free browser extension and the most popular userscript manager for Blink- and WebKit-based Browsers like Chrome, Opera Next and Safari.

Captures customizable screen areas, enables instant online upload, sharing via short URLs, quick edits, local saves, and seamless browser add-ons.

PDF Viewer (aka pdf.js) is a new revolutionary extension using web standard technologies that allows you to display within Mozilla Firefox almost all PDF files found on the web without a plugin.

Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.

Ruffle is a Flash Player emulator written in Rust. Ruffle runs natively on all modern operating systems as a standalone application, and on all modern browsers through the use of WebAssembly. Leveraging the safety of the modern browser sandbox and the memory safety guarantees of...

Send links, files, photos, lists, and notes instantly between devices, mirror phone notifications to desktop, and access clipboard syncing with advanced plans.

Kagi Small Web brings you fresh content from real people: bloggers, creators, and independent voices that make the internet worth exploring.

Millions of developers and teams around the world choose GitKraken Client to make Git more visual and accessible with an intuitive UI, the flexibility to switch between a GUI or a terminal, and a seamless experience across operating systems.

LeechBlock is a simple free productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.

We all make many online accounts, but most of them are linked to 1 or 2 of our email addresses. This means if just one account is hacked or tracked, every other account and its associated data is now also at risk.

SimilarWeb is a global software development and data aggregation company specializing in web analytics and digital performance. It provides traffic insights for websites, supporting market research, competitive analysis, and business development.

Whenever you find yourself with too many tabs, click the OneTab icon to convert all of your tabs into a list. When you need to access the tabs again, you can either restore them individually or all at once.

Blocks intrusive ads, boosts browser speed, and prevents tracking across all major browsers; supports customizable filters, Acceptable Ads, and over 30 languages.

Web clipper and digital brain tool for saving, organizing, and summarizing webpages, text, images, documents, and voice notes with fast search and insights.

The Firefox Multi-Account Containers extension lets you carve out a separate box for each of your online lives – no more opening a different browser just to check your work email! Here is a quick video showing you how it works.

Access, manage, and sync your clipboard from any device.

Manage multiple social profiles, schedule queued posts in advance using customizable timeslots, analyze engagement, and use browser tools to add content easily.

Take notes directly on websites, organize by domain or page, export, import, tag, search, use sticky-note format, and manage all entries efficiently.

Metastream allows you to watch internet videos with friends. It synchronizes media on websites so you can watch together.