Mozilla Firefox Plugins, Add-ons and extension Page 13 of 71

A free web app that converts video files, allowing you to change the video format, resolution or size right in your browser.

TrackMeNot is a lightweight browser extension that helps protect web searchers from surveillance and data-profiling by search engines. It does so not by means of concealment or encryption (i.e. covering one's tracks), but instead, paradoxically, by the opposite strategy:...

Encrypts data, supports unlimited devices, offers a global server network, and ensures anonymous browsing with fast connections and cross-platform support.

Discover more of what you love on GitHub. This extension adds a “Similar repositories” section to the sidebar of any public GitHub repository with more than 150 stars. Instantly discover related open-source projects without leaving the page.

uBlacklist is a Google Search filter for Chrome and Firefox.

Free VPN with no registration, strict no-logs policy, unlimited traffic, high-speed servers, strong encryption, access to blocked content, and multi-platform support.

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

Dead pages, broken links, the scourge of the internet. Powerhouse sites like Slashdot and Digg can bring a server to its knees. What do we do when a page is dead but we still want to see it? Call in the clerics, and perform a resurrection ceremony!

Say hello to Lilo - the search engine which funds life changing projects of your choice for free.

Enjoy unrestricted downloads and streaming by bypassing hosters’ limits and maximizing internet speed with full torrent and file download support.

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

Gmelius transforms your inbox into your company’s workspace. It brings your team together in Gmail by turning it into a work hub for communication, collaboration, and workflow automation with real-time syncing across all devices - web & mobile.

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.

GHunt is a modulable OSINT tool designed to evolve over the years, and incorporates many techniques to investigate Google accounts, or objects.

AndroBranch is your go-to tech platform delivering the latest updates, tips, reviews, and in-depth blogs on smartphones, gadgets, apps, AI tools, and digital trends all in one place.

Your personal encyclopedia! Summarize any online content and save it to your knowledge base where it's automatically organized and interlinked for easy rediscovery.

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.

Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, Facebook, etc. Based on uMatrix by Raymond Hill.

With NordPass, passwords are safe and organized. Help your team protect their passwords, share them instantly, and safeguard your organization’s data.

Copy design from any website.

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

Copy, paste and translate text from any image, video or PDF.

A privacy-focused bookmark manager to save webpages, texts, images, videos, pdfs & more.

A browser extension that helps you to remove those irritating cookie consent dialogs automatically.

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.