Firefox Extension Softwares and Apps

Discover best Firefox Extension softwares, apps and websites.

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Pencil Project

Pencil Project

Open Source

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.

Free and open source with no cost.
Firefox extension
Photos & Graphics Web Browsers
Awesome Screenshot

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.

Comprehensive capture options including scrolling and freeform.
Google Chrome extension
Photos & Graphics Web Browsers
Nimbus Screenshot and Screencast

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.

Comprehensive screenshot capture options (scrolling, area, visible).
Google Chrome extension
Photos & Graphics Video & Movies Web Browsers
Flamory

Flamory

Free Personal

Flamory is a comprehensive capture tool for saving web pages and files directly from your screen, functioning as a visual search engine for your digital history. It seamlessly integrates with your web browser and Windows Explorer, allowing you to easily revisit and search past information.

Automatic and passive capture of viewed content reduces manual effort.
Google Chrome extension
Education & Reference Office & Productivity Photos & Graphics Web Browsers
elCurator

elCurator

Freemium

elCurator is a collaborative content curation and bookmarking tool designed for teams and individuals. It allows users to easily save, organize, read, and share web content, fostering efficient information management and knowledge sharing within a centralized platform.

Excellent collaborative features for teams.
Google Chrome extension
News & Books Office & Productivity Social & Communications Web Browsers
Feedly

Feedly

Freemium

Feedly is a powerful platform designed to help you discover, organize, and consume content from across the web. It aggregates articles, blogs, and news sources into a single, intuitive interface, making it easy to stay informed on topics that matter most to you. With robust features for filtering, sharing, and integration, Feedly streamlines your information intake.

Excellent content organization and categorization options.
Built-in RSS reader
News & Books Web Browsers
Youtube Video and Audio Downloader

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.

Seamless integration with Firefox browser.
Firefox extension
Audio & Music Video & Movies Web Browsers
FireShot

FireShot

Freemium

FireShot is a comprehensive screen capture tool available as a browser extension for Chrome, Firefox, and Internet Explorer, and also as a standalone application. It enables users to capture entire web pages, specific areas, or visible content, providing robust editing and annotation capabilities.

Excellent full scrolling web page capture.
Google Chrome extension
Photos & Graphics Web Browsers
DownThemAll

DownThemAll

Open Source

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.

Significantly accelerates downloads using multipart technology.
Firefox extension
File Sharing Photos & Graphics Web Browsers
XMarks

XMarks

Freemium

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.

Synchronizes bookmarks and other data across multiple major browsers.
Browser sync
Web Browsers
SemanticScuttle

SemanticScuttle

Open Source

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.

Complete data ownership and control through self-hosting.
Firefox extension
News & Books Social & Communications Web Browsers
Buffer

Buffer

Freemium

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.

Extremely user-friendly interface, easy to learn and use.
Auto update
Social & Communications Web Browsers
LanguageTool

LanguageTool

Open Source

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.

Extensive support for a large number of languages.
Google Chrome extension
Web Browsers
bit.ly

bit.ly

Freemium

Bitly is a leading link management platform offering URL shortening, custom links, and robust analytics. It empowers businesses and individuals to track, optimize, and manage their links for better reach and engagement across various digital channels.

Excellent link customization options for branding.
Firefox extension
Online Services Web Browsers
Firebug

Firebug

Open Source

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.

Deeply integrated within the Firefox browser
Firefox extension
Development Web Browsers
cliget

cliget

Open Source

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.

Generates curl/wget commands that include browser session details.
Firefox extension
File Sharing Web Browsers
Adblock Plus

Adblock Plus

Open Source

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.

Effective at blocking most ads and pop-ups
Firefox extension
Web Browsers
Element Hiding Helper for Adblock Plus

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.

Simplifies hiding of webpage elements.
Firefox extension
Development Web Browsers
Random Agent Spoofer

Random Agent Spoofer

Open Source

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.

Specifically targets browser fingerprinting.
Firefox extension
Network & Admin Web Browsers
Disconnect

Disconnect

Open Source

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.

Effectively blocks online trackers.
Google Chrome extension
Security & Privacy Web Browsers
Flashblock

Flashblock

Free

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.

Significantly improves website load times.
Firefox extension
Web Browsers
DuckDuckGo

DuckDuckGo

Free

DuckDuckGo is a leading privacy-focused search engine that prioritizes user anonymity and transparent search results. Unlike traditional search engines, it does not track user activity, offering a safe and personal search experience without filter bubbles.

Superior user privacy with no tracking
Bangs
Online Services Web Browsers
Camelcamelcamel

Camelcamelcamel is a widely-used Amazon price tracker that helps shoppers monitor price changes and drop alerts directly in their browser or via email, historical price charts, and customizable wishlists.

Provides accurate and extensive historical Amazon price data.
Google Chrome extension
Online Services Web Browsers
FireGestures

FireGestures

Open Source

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.

Significantly speeds up browsing through gestures.
Firefox extension
OS & Utilities Web Browsers
anonymoX

anonymoX

Freemium

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.

Easy to install and use as a browser extension.
Bypass censorship
Security & Privacy Web Browsers
Save Text To File

Save Text To File

Open Source

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.

Streamlines saving text from web pages.
Firefox extension
Web Browsers
Disconnect Search

Disconnect Search

Open Source

Disconnect Search is a privacy-focused search engine and browser extension that prevents major search engines from tracking your searches and location. It routes your searches anonymously through Disconnect's servers, protecting your privacy while allowing you to utilize popular search providers like Google, Bing, and DuckDuckGo.

Effectively anonymizes search queries with major engines.
Google Chrome extension
Online Services Web Browsers
Video DownloadHelper

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.

Wide compatibility with numerous websites.
Firefox extension
Video & Movies Web Browsers
Firefox PDF Viewer (PDF.js)

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.

Seamlessly integrated into Firefox
Browser integration
Office & Productivity Web Browsers
Firefox Hello

Firefox Hello was a simple, browser-based video and audio communication tool built directly into the Firefox browser. It allowed users to connect with others quickly and easily through sharable links, requiring no registration or account creation. Its core focus was on immediate, privacy-conscious communication.

No account or registration required for use.
Firefox extension
Social & Communications Web Browsers
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