Mozilla Firefox Plugins, Add-ons and extension Page 15 of 83

FrankerFaceZ is a Twitch extension that lets any broadcaster add custom emotes to their channel. Just install and enjoy the community of thousands of broadcasters who are excited to bring you a more social and fun experience.

RequestPolicy is an extension for Mozilla browsers that improves the privacy and security of your browsing by giving you control over when cross-site requests are allowed by webpages you visit.

Comprehensive SEO toolset with over 50 tools for competitor insights, content strategy, keyword research, backlink tracking, and SEO data analysis.

Change the appearance of websites instantly by applying a easy to use interface for changing the CSS. Preview and install styles created by users for your favorite websites.

RSS Reader extension for Chrome & Firefox. Smart RSS Fork.

Copy design from any website.

Classic Add-ons Archive catalog contains 93,598 versions of 19,450 Firefox add-ons created by 14,274 developers over the past 15 years using XUL/XPCOM technology before Mozilla decided to ruin the classic extensions ecosystem and go exclusively to WebExtensions.

Linguix is a software solution that enhances written communication and learning through its web application and browser extensions. It uses AI to analyze your writing across the internet, offering over 2000 corrections for grammar, spelling, and style.

Linkclump gives you the ability to drag a selection box around links using your mouse to quickly open as new tabs, open in new window, save as bookmarks, or copy to clipboard.

You're busy. OneNote Web Clipper lets you quickly clip all or part of a web page to OneNote, and save it for later. Clip images, pdfs, videos, or a visual bookmark of a page. Best of all, you can access them from any computer, tablet, or phone - even when you're offline.

Easily open disposable containers that isolate attached data and are deleted after usage: Fully automatic, based on navigation-target, for certain websites, with configured mouse clicks on links or just by using the toolbar icon.

Fix the web. Gets rid of a site's cookies and LocalStorage as soon as you close its tabs. Protects against trackers and zombie-cookies. Trustworthy services can be whitelisted.

Drag scrollbar with your middle mouse button anywhere on the page. Supports also "grab and drag" style.

FoxyProxy sells reliable, fast, secure VPN and proxy servers in 110+ different countries with 6 ways to connect.

Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, one-click upload to share.

AI Anywhere is handy helper for ChatGPT (created by OpenAI).

Fraidycat is a browser extension for following folks on a variety of platforms. But rather than showing you a traditional 'inbox' or 'feed' view of all the incoming posts - Fraidycat braces itself against this unbridled firehose!

Translate text, voice, audio, images, documents, and web pages in 112+ languages even without internet. Save bookmarks, sync across devices.

With VT4Browsers you will be able to use VirusTotal to analyze urls and files automatically. You can change the extension's behavior at any time.

Night Eye is a browser extension that enables dark mode on nearly any website. It does NOT simply invert the colors, but utilises a completely new approach that improves your browsing experience.

Enhances the Google Play Store with various features.

Consumer Rights Wiki is a community-edited encyclopedia that documents anti-consumer corporate practices, right-to-repair barriers, planned obsolescence, and digital rights violations.

Browser extension for bidirectional bookmark sync with GitHub. Per-file storage (one JSON file per bookmark), three-way merge, auto-sync, multiple profiles. Works on Chrome and Firefox. Add bookmarks via Git, CLI, or GitHub Actions. No server — syncs directly via the GitHub API.

Print raw (ZPL, ESC/P, FGL), HTML, PDF as well as communicate with USB, HID, and serial devices through a cross-platform browser plugin.

Free Efficient Database IDE. Featuring Server Discovery, ERD, Data Generator, AI, NoSQL Structure Manager, Database Versioning and many more.