Browser Extension Apps and Services

Discover Browser Extension apps and services by functionality or find alternatives for your favorite Browser Extension apps and services.

Best Browser Extension Apps and Services

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Sunbird

Sunbird

Office & Productivity Desktop application
Sunbird was a standalone calendar application and also a Firefox extension developed by Mozilla, designed for managing events, tasks, and calendar synchronization. It aimed to provide a free and open-source solution for personal and professional scheduling needs.
more
Open Source
Free and Open Source
Karma Blocker

Karma Blocker

Web Browsers Browser Extension
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.
more
Open Source
Helps reduce online distractions
Humble New Tab Page

Humble New Tab Page

Web Browsers Browser Extension
Humble New Tab Page is a minimalist and highly customizable browser extension designed to replace your default new tab page with a clean, functional interface tailored to your preferences. Focuses on speed, organization, and a personalized browsing experience.
more
Open Source
Extensive customization options for layout and appearance.
NetVideoHunter

NetVideoHunter

Video & Movies Browser Extension
<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>
more
Open Source
Seamless integration with popular web browsers.
Element Hiding Helper for Adblock Plus

Element Hiding Helper for Adblock Plus

Development Browser Extension
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.
more
Open Source
Simplifies hiding of webpage elements.
Hypothes.is

Hypothes.is

Office & Productivity Browser Extension
Hypothes.is is a free, open-source web-based annotation tool that allows users to annotate and highlight text on any website. It facilitates collaborative discussion and sharing of ideas alongside the content being read.
more
Open Source
Allows direct annotation on webpages.
cliget

cliget

File Sharing Browser Extension
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.
more
Open Source
Generates curl/wget commands that include browser session de...
Random Agent Spoofer

Random Agent Spoofer

Network & Admin Browser Extension
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.
more
Open Source
Specifically targets browser fingerprinting.
Encryptr

Encryptr

Security & Privacy Desktop Application
Encryptr is a secure, zero-knowledge cloud-based password manager and e-wallet developed by SpiderOak. It focuses on privacy and security with end-to-end encryption, ensuring only you can access your sensitive data. It offers essential password management features across multiple platforms.
more
Open Source
Strong zero-knowledge security architecture.
Kill Evil

Kill Evil

Development Browser Extension
Kill Evil is a browser extension designed to enhance user privacy and control by blocking unwanted scripts, pop-ups, trackers, and advertisements, while offering flexible control over website behavior.
more
Open Source
Comprehensive suite of blocking features (ads, trackers, scr...
FireSSH

FireSSH

Network & Admin SSH Client
FireSSH is a free and open-source SSH terminal client designed as a browser extension for Waterfox. It provides secure shell access to remote servers directly within your web browser window, eliminating the need for a separate desktop application. With features like tabbed interfaces and host management, it offers a convenient and integrated solution for managing SSH connections.
more
Open Source
Integrated within the Waterfox browser for convenience.
Squirt

Squirt

News & Books Browser Extension
Squirt is a browser extension designed to significantly increase your reading speed. By displaying text one word at a time using RSVP technology, it eliminates distractions and allows you to consume online content faster and more efficiently. Perfect for researchers, students, or anyone looking to save time when reading articles, blogs, or documents online.
more
Open Source
Significantly increases reading speed.
NESBox

NESBox

Games Browser Extension
NESBox is a unique, browser-based emulator that allows users to play classic Nintendo Entertainment System, Super Nintendo, Game Boy, Game Boy Color, Game Boy Advance, and Sega Genesis games directly in their web browser. Utilizing Flash technology, it offers a convenient way to revisit nostalgic gaming experiences without requiring downloads or installations.
more
Open Source
No installation required, accessible directly in a web brows...
Lightbeam for Firefox

Lightbeam for Firefox

Security & Privacy Browser Extension
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.
more
Open Source
Provides clear, real-time visualization of tracking networks...
Save Text To File

Save Text To File

Web Browsers Browser Extension
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.
more
Open Source
Streamlines saving text from web pages.
Gmail Notifier (restartless)

Gmail Notifier (restartless)

Web Browsers Browser Extension
Gmail Notifier (restartless) is a seamless browser extension for Chrome and Firefox, providing real-time notifications for new emails across all your connected Google Mail accounts and labels. Stay updated without constantly checking your inbox, streamlining your email management.
more
Open Source
Supports multiple Gmail accounts.
Mailvelope

Mailvelope

Security & Privacy Browser Extension
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.
more
Open Source
Integrates directly with existing webmail services.
DeeperWeb

DeeperWeb

Online Services Online Service
DeeperWeb is a privacy-focused metasearch engine that enhances Google search results using tag cloud and topic map techniques for improved navigation and discovery. It prioritizes user privacy by not tracking searches.
more
Open Source
Unique visual navigation using tag clouds.
Chatzilla

Chatzilla

Social & Communications IRC Client
Multi-platform IRC client tightly integrated with Mozilla browsers, offering a familiar interface for seamless chat experiences.
more
Open Source
Seamless integration with Mozilla browsers
FireGestures

FireGestures

OS & Utilities Browser Extension
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.
more
Open Source
Significantly speeds up browsing through gestures.
Ubiquity

Ubiquity

Education & Reference Browser Extension
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.
more
Open Source
Increases browsing speed and efficiency through command-line...
PassIFox & ChromeIPass

PassIFox & ChromeIPass

Security & Privacy Browser Extension
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.
more
Open Source
Securely integrates KeePass/KeePassXC with web browsers.
Speed Dial

Speed Dial

Web Browsers Browser Extension
Speed Dial is a versatile browser extension designed to replace your default new tab page with a highly customizable visual dashboard, offering quick access to frequently visited sites, bookmarks, and browsing history for enhanced navigation and productivity.
more
Open Source
Transforms new tab page into a useful dashboard.
UnMHT

UnMHT

Web Browsers Browser Extension
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.
more
Open Source
Enables saving and reading MHT and MAFF files.
Update Scanner

Update Scanner

News & Books Browser Extension
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.
more
Open Source
Seamless integration with Firefox
Bluhell Firewall

Bluhell Firewall

Security & Privacy Browser Extension
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.
more
Open Source
Extremely lightweight with minimal performance impact.
Wappalyzer

Wappalyzer

Development Browser Extension
Wappalyzer is a powerful utility designed to reveal the underlying technologies used on any website. It provides detailed insights into frameworks, content management systems, e-commerce platforms, web servers, analytics tools, advertising networks, and much more, helping developers, marketers, and researchers understand the digital landscape.
more
Open Source
Wide range of detectable technologies.
FlashGot

FlashGot

File Sharing Browser Extension
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.
more
Open Source
Seamless integration with Firefox for improved download hand...
Adblock Edge

Adblock Edge

Web Browsers Browser Extension
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.
more
Open Source
Blocks various ad formats effectively.
µMatrix

µMatrix

Security & Privacy Browser Extension
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.
more
Open Source
Provides granular control over network requests via a visual...
Showing 1 - 30 of 47

Recently Added Browser Extension Apps and Services

Sunbird

Sunbird

Office & Productivity Desktop application
Sunbird was a standalone calendar application and also a Firefox extension developed by Mozilla, designed for managing events, tasks, and calendar synchronization. It aimed to provide a free and open-source solution for personal and professional scheduling needs.
more
Open Source
Free and Open Source
Karma Blocker

Karma Blocker

Web Browsers Browser Extension
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.
more
Open Source
Helps reduce online distractions
Humble New Tab Page

Humble New Tab Page

Web Browsers Browser Extension
Humble New Tab Page is a minimalist and highly customizable browser extension designed to replace your default new tab page with a clean, functional interface tailored to your preferences. Focuses on speed, organization, and a personalized browsing experience.
more
Open Source
Extensive customization options for layout and appearance.
NetVideoHunter

NetVideoHunter

Video & Movies Browser Extension
<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>
more
Open Source
Seamless integration with popular web browsers.
Element Hiding Helper for Adblock Plus

Element Hiding Helper for Adblock Plus

Development Browser Extension
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.
more
Open Source
Simplifies hiding of webpage elements.
Hypothes.is

Hypothes.is

Office & Productivity Browser Extension
Hypothes.is is a free, open-source web-based annotation tool that allows users to annotate and highlight text on any website. It facilitates collaborative discussion and sharing of ideas alongside the content being read.
more
Open Source
Allows direct annotation on webpages.
cliget

cliget

File Sharing Browser Extension
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.
more
Open Source
Generates curl/wget commands that include browser session de...
Random Agent Spoofer

Random Agent Spoofer

Network & Admin Browser Extension
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.
more
Open Source
Specifically targets browser fingerprinting.
Encryptr

Encryptr

Security & Privacy Desktop Application
Encryptr is a secure, zero-knowledge cloud-based password manager and e-wallet developed by SpiderOak. It focuses on privacy and security with end-to-end encryption, ensuring only you can access your sensitive data. It offers essential password management features across multiple platforms.
more
Open Source
Strong zero-knowledge security architecture.
Kill Evil

Kill Evil

Development Browser Extension
Kill Evil is a browser extension designed to enhance user privacy and control by blocking unwanted scripts, pop-ups, trackers, and advertisements, while offering flexible control over website behavior.
more
Open Source
Comprehensive suite of blocking features (ads, trackers, scr...