Mozilla Firefox Plugins, Add-ons and extension Page 13 of 72

Redesigned new tab page featuring your bookmarks, apps, most visited, recently closed in a custom layout.

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.

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:...

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.

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

uBlacklist is a Google Search filter for Chrome and Firefox.

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.

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.

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.

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.

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

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

Subscribe, download, and organize YouTube videos in a searchable library with playback, viewing history tracking, batch downloads, and channel management features.

Copy design from any website.

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.

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

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.

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

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.

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

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

From coupons to cash back, get the best of Honey right on your mobile device. That means more ways to save, more often. With our new embedded mobile browser extension, shop on store sites with Safari and we’ll automatically pop up if we find coupons.