Mozilla Firefox Plugins, Add-ons and extension Page 5 of 83

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...

Enables private, separate browsing sessions with isolated cookies and storage, allowing multiple account sign-ins, unique container settings, and privacy benefits.

Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync.

Returns the ability to see dislike statistics on YouTube.

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

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.

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.

A Chrome extension for automating your browser by connecting blocks.

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.

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

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

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

Open-source extension hides homepage feed, Shorts, comments, and recommendations on video platforms. Includes instant toggles, no data collection, and advanced controls.

uBO Lite (uBOL), a permission-less MV3 API-based content blocker.

Shortens URLs, generates customizable QR codes, tracks clicks, offers branded domains, bulk management, analytics, browser extension, and API access.

BitChute is a peer to peer video sharing platform. Its mission is to put people and free speech first. It's free to join and create and upload your own videos to share with others.

HeatSync puts Twitch, Kick and YouTube chat in one panel — on the platform's own page via the browser extension, or in the web app with nothing to install.

Manage your tabs and bookmarks in sidebar.

Bibliography reference manager. The native file format used by JabRef is BibTeX, the standard LaTeX bibliography format.

Open-source task and test automation tool and Selenium IDE. The UI.Vision RPA software is a browser extension that can do desktop automation as well! Use it for web automation, form filling, screen scraping and Robotic Process Automation (RPA).

Auto-capture any browser workflow into a step-by-step guide with screenshots. Local-first, open source, bring your own AI key.

Hide YouTube related videos, comments, video suggestions wall, homepage recommendations, trending tab, and other distractions.

Control your cookies! This extension is inspired by Self-Destructing Cookies. When a tab closes, any cookies not being used are automatically deleted. Prevent tracking by other cookies and add only the ones you trust.

A beautiful bookmark manager and launcher.

Your own search engine. Hister turns the pages you visit and the files you keep into a private, full content search index that you control.