Mozilla Firefox Plugins, Add-ons and extension Page 14 of 75

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.

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!

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

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

Replace Firefox's default control mechanism with one modelled on the one true editor, Vim. Implementing Vimperator/Pentadactyl as a WebExtension.

Easy Screenshot is an easy to use screen capture tool. Simply press one of the context menu items to capture entire or a portion of your screen.

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

Hoxx VPN Proxy service to unblock blocked websites, hide your location and encrypt your connection. Completely free.Hoxx VPN Service can be used to bypass filtered or blocked websites such as NetFlix, Hulu, Spotify or sites that have been blocked by your government or for...

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.

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

Copy design from any website.

Enhances the Google Play Store with various features.

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.

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.

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.

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

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

Create branded QR codes with logos and colors. Track scans, edit destinations after printing, and manage campaigns at scale with API access, teams, and custom domains.

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.

Securely stores passwords, generates strong keys, auto-fills forms, checks for weak reuse, and alerts breaches. Accessible across devices with encryption.

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.

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

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.