Discover best Firefox Extension softwares, apps and websites.
Mailvelope is a free and open-source browser extension for Chrome and Firefox that brings end-to-end encryption to your existing webmail services using the OpenPGP standard. It allows users to encrypt, decrypt, and digitally sign emails directly within their web browser, enhancing privacy and security without requiring a change in email provider.
Download Status Bar is a legacy Firefox extension designed to manage and track your downloads directly within the browser's status bar. It provides at-a-glance information about download progress, remaining time, and allows for direct interaction with downloaded files without cluttering the main download window.
Add to Search Bar is a Firefox extension that simplifies the process of adding custom search engines directly to your browser's search bar, allowing for quick access to search functionalities from various websites.
FlashGot is a powerful, free, and open-source browser extension for Mozilla Firefox designed to improve download management. It integrates seamlessly with various external download managers, allowing users to handle single and massive downloads more efficiently and effectively than the browser's native functionality.
Free YouTube Download is a user-friendly application for effortless downloading of YouTube videos and playlists directly to your computer. It supports various formats and qualities, making it easy to access your favorite content offline.
FVD Speed Dial is a browser extension that transforms your new tab page into a visually appealing and highly functional speed dial. It allows users to organize bookmarks, synchronize data across devices, and customize their browsing experience with various themes and layouts.
Mercury Reader is a browser extension for Chrome, Firefox, and Safari that transforms cluttered web articles into a clean, minimalist reading view. It effectively removes ads, pop-ups, and other distractions, leaving only the essential text and images for an improved reading experience.
UnMHT is a essential Firefox and SeaMonkey add-on that provides comprehensive support for reading and writing MHTML (MHT) and MAFF files. It allows users to save complete web pages, including HTML, images, and other embedded content, as a single file for easy offline access and archiving.
Bluhell Firewall is a highly efficient and lightweight ad and tracker blocker designed as a browser extension for Firefox and Thunderbird. It prioritizes user privacy and browsing speed with minimal resource usage.
uMatrix is a browser extension that functions as a powerful point-and-click matrix-based firewall and privacy-enhancement tool. It provides granular control over what resources are loaded by your browser, allowing users to block or allow requests based on type, origin, and destination, helping to protect privacy and improve browsing security.
Karma Blocker is a Firefox browser extension designed to help users minimize online distractions and enhance focus while browsing. By selectively blocking elements and websites, it aims to create a more productive and less overwhelming internet experience.
KeeFox is a powerful Firefox extension that integrates seamlessly with KeePass, a free and open-source password manager. It provides secure storage and automatic filling of login details, enhancing both convenience and security for your online accounts within the Firefox browser.
uBlock is a powerful, yet lightweight, content blocker available as a browser extension for various platforms. It effectively blocks ads, trackers, and malware sites, enhancing privacy and improving browsing speed. Although currently discontinued, its effectiveness and open-source nature made it a popular choice for users seeking a cleaner web experience.
<p>NetVideoHunter is a versatile music and video downloader available primarily as a browser extension for Firefox, Chrome, and Edge. It specializes in capturing media from popular platforms like YouTube, Vimeo, Metacafe, and Facebook, offering a convenient way to save online videos and audio for offline access.</p>
PassIFox & ChromeIPass are browser extensions that provide seamless integration with KeePass and KeePassXC password managers. They allow users to store, manage, and automatically fill online credentials directly from their browser, enhancing security and convenience.
Adblock Edge was a browser extension designed to block advertisements within web pages. Primarily focused on Microsoft Edge (formerly Project Spartan), it aimed to provide users with a cleaner, faster browsing experience by preventing the loading of various ad formats.
Cliqz is a privacy-focused web browser forked from Firefox, integrating its own privacy-centric search engine and built-in anti-tracking mechanisms. It prioritizes user data protection while providing a fast and efficient browsing experience.
Kifi was a collaborative bookmarking tool designed to help teams organize, share, and discover web pages. By creating a full-text index of shared content and integrating with popular communication platforms like Slack and Google, Kifi made finding relevant links easier and fostered team knowledge sharing.
FEBE (Firefox Environment Backup Extension) provides a comprehensive solution for backing up your entire Firefox environment, including extensions, themes, bookmarks, passwords, and more. It's designed for quick and easy backup and restoration.
ProxMate is a comprehensive browser extension designed to enhance your online experience by providing flexible proxy management. It helps you access geo-restricted content and improve privacy, seamlessly integrating with your Chrome or Firefox browser for effortless control over your connection settings.
Update Scanner is a long-standing and reliable Firefox extension designed to monitor web pages for content changes. It's particularly useful for tracking updates on websites that do not offer traditional Atom or RSS feeds, providing a simple and efficient way to stay informed about modifications.
Ant Video Downloader is a versatile browser extension designed to easily download videos from numerous online platforms, including popular sites like YouTube, Vimeo, and Dailymotion. It integrates seamlessly with major browsers such as Firefox, Chrome, Edge, and Internet Explorer, providing a convenient one-click solution for saving your favorite online videos for offline viewing.
Lightbeam for Firefox is a powerful Firefox add-on that visually demonstrates your interactions with first- and third-party sites across the web, highlighting potential tracking connections.
YoutubeConvert.TO was a popular online service and browser extension suite for converting YouTube videos to MP3 and MP4 formats. It offered a simple way to download audio or video directly from YouTube and other platforms.
Easy YouTube Video Downloader Express is a versatile browser add-on designed to simplify the process of downloading YouTube videos and converting them to various formats, including MP3 and MP4. It integrates directly into your browser for convenient access.
Video2mp3 was a web-based service and browser extension that facilitated the conversion of YouTube videos to MP3 audio files. It was a popular tool for users looking to extract audio content from video formats for offline listening.
Free YouTube to MP3 Converter is a convenient cross-platform application designed for extracting audio from YouTube videos. It offers a straightforward way to convert YouTube content into MP3 format, making it easy to download and enjoy audio offline.
Greasemonkey is a highly influential and versatile Firefox extension that empowers users to personalize and enhance their web browsing experience by installing custom scripts. These scripts can modify web page content, alter layouts, add new functionalities, and automate tasks, effectively customizing how users interact with websites.
Ubiquity is a powerful Firefox extension that brings the capabilities of a command line interface directly into your web browser. It allows users to perform a wide range of actions on web content and browser functions using natural language commands, significantly increasing productivity and streamlining workflows.
AddThis provides website engagement tools, primarily focusing on social sharing, follows, and related content recommendations. It offers customizable widgets and data analytics to help websites increase traffic and user interaction.