Discover best Firefox Extension Mac OS X softwares, apps and websites.
Pencil Project is a free and open-source GUI prototyping tool that helps designers and developers create wireframes and mockups easily. Available as a standalone application and a Firefox extension, it offers a wide range of built-in shapes and templates for various platforms.
Awesome Screenshot is a powerful browser extension for Chrome, Firefox, and Safari, offering a comprehensive suite of tools for capturing, annotating, and sharing screenshots and screen recordings. It simplifies visual communication, making it easy to grab, mark up, and share anything on your screen.
Nimbus Screenshot and Screencast is a comprehensive browser extension and desktop application for capturing and annotating screenshots and recording screencasts. It offers a wide range of capture modes, a built-in editor, and various sharing and integration options, making it a versatile tool for professionals and casual users alike.
A feature-rich browser extension for Firefox that allows users to effortlessly download YouTube videos and convert them to various audio and video formats, including MP3 and MP4. It's an open-source solution designed for simplicity and efficiency in media acquisition.
DownThemAll! is a powerful browser extension designed to streamline and accelerate your file downloads. Integrating seamlessly with your web browser, it offers advanced features like multiparty downloads, pauses and resumes, and customizable filtering to manage your downloads efficiently and significantly improve download speed.
XMarks was a popular cloud-based bookmark synchronization and management tool that allowed users to keep their bookmarks organized and accessible across different web browsers on various devices.
SemanticScuttle is an open-source, self-hosted social bookmarking system that emphasizes structured tagging and collaborative knowledge management. It allows users to save, organize, and share bookmarks with a strong focus on semantic relationships between tags.
Buffer is a comprehensive social media management platform designed to help individuals and businesses schedule posts, analyze performance, and engage with their audience across various social networks.
LanguageTool is an extensive open-source proofreading tool designed for individuals and businesses, supporting a large number of languages. It offers crucial grammar, style, and spell checking capabilities across various platforms through browser extensions, desktop applications, and integrations.
Firebug was a powerful, open-source web development tool tightly integrated with the Firefox web browser. It provided a comprehensive environment for debugging, editing, and monitoring HTML, CSS, and JavaScript live on any web page.
cliget is a Firefox browser extension that simplifies the process of generating command-line download commands (curl and wget) for resources accessed within your browser. This is particularly useful for downloading files that require specific browser cookies or headers, allowing you to seamlessly transfer downloads to remote machines or use advanced download managers.
Adblock Plus is a widely used browser extension that effectively blocks intrusive ads, pop-ups, and tracking scripts across various websites, providing a cleaner and faster browsing experience.
Element Hiding Helper for Adblock Plus is a specialized Firefox extension designed to complement Adblock Plus, enabling users to easily hide specific elements on web pages that are not blocked by standard ad filters. This provides enhanced customization and control over your browsing experience, removing intrusive sections or blank spaces left by blocked ads.
Random Agent Spoofer is a Firefox add-on designed to enhance user privacy by regularly changing browser identifiers. It aims to combat browser fingerprinting techniques used by websites to track users across the web.
Disconnect is a robust tool designed to enhance online privacy by visualizing and blocking the invisible tracking technologies that follow your browsing and search history across the web. Available as a browser extension and other privacy-focused solutions, it aims to significantly reduce the amount of personal data collected by third-party trackers.
Flashblock is a Firefox extension that enhances browsing security and privacy by blocking Adobe Flash content by default, offering users control over what animations and videos load on web pages, thus improving page load times and reducing exposure to malicious Flash elements.
FireGestures is a powerful and highly customizable Firefox extension that allows users to control their browser with intuitive mouse gestures, significantly enhancing browsing speed and efficiency for legacy Firefox versions.
AnonymoX is a browser extension for Chrome and Firefox designed to enhance online anonymity and bypass censorship. It allows users to surf the web with a changed IP address, helping to protect privacy and access restricted content.
Save Text To File is a simple yet powerful Firefox add-on designed to streamline the process of saving selected text from web pages directly to a file. It integrates seamlessly into your browser's context menu, providing a quick and efficient alternative to traditional copy-pasting and file creation.
Video DownloadHelper is a powerful browser extension for Firefox, Chrome, Edge, and Opera, enabling users to easily download videos and audio from a wide range of websites. It supports various formats and includes features like playlist downloading and media conversion.
Firefox PDF Viewer (PDF.js) is an open-source, web standards-based PDF viewer embedded directly within the Firefox browser. It allows users to view PDF documents seamlessly without the need for external software or plugins, enhancing browser-based document handling and accessibility.
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.
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.