Web Browser Extension Apps and Services

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

Best Web Browser Extension Apps and Services

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Presearch

Presearch

Online Services Online Service
Presearch is a revolutionary, decentralized search engine powered by the community. It offers users privacy-focused search results from multiple sources, rewarding them with cryptocurrency tokens for their activity, and empowering them with control over their data.
more
Open Source
Strong focus on user privacy and data protection.
Marker

Marker

Development Web Browser Extension
Marker is a powerful visual bug reporting and feedback tool designed for development teams, designers, testers, and clients. It simplifies collecting, annotating, and submitting precise bug reports and visual feedback directly from any website, integrating seamlessly with popular project management and issue tracking systems.
more
Commercial
Simplifies bug reporting with visual context.
Add to Search Bar

Add to Search Bar

Online Services Web Browser Extension
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.
more
Open Source
Easily adds site-specific search engines to Firefox.
Qwant

Qwant

Online Services Online Service
Qwant is a European-based search engine emphasizing user privacy. It prioritizes anonymity and does not track search history or personal data. Beyond standard web search, Qwant offers dedicated sections for news, images, videos, and a unique 'social' view, providing a different way to explore information online.
more
Free
Prioritizes and enforces user privacy with no tracking or da...
LanguageTool

LanguageTool

Web Browsers Web Browser Extension
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.
more
Open Source
Extensive support for a large number of languages.
Apertium

Apertium

Education & Reference Machine Translation Software
Apertium is a free, open-source machine translation platform utilizing rule-based methods. It provides versatile translation capabilities, including online translation, browser integration, and potential for localized content.
more
Open Source
High translation quality for supported language pairs.
DuckieTV

DuckieTV

File Sharing Web Browser Extension
DuckieTV is a browser extension and standalone application designed to help you manage and track your favorite TV shows. It integrates torrent search and download functionalities to streamline the process of finding and watching episodes directly from your browser or desktop.
more
Open Source
Integrated episode tracking and torrent search/download in o...
Opera Dragonfly

Opera Dragonfly

Development Web Browser Extension
Opera Dragonfly was a comprehensive suite of web development tools built into the Opera web browser. It provided developers with capabilities for debugging JavaScript, inspecting and editing the DOM and CSS, analyzing network activity, and much more, aiding in the development and optimization of web pages directly within the browser environment.
more
Free
Integrated directly into the Opera browser.
Mozilla Archive Format

Mozilla Archive Format

Web Browsers Web Browser Extension
The Mozilla Archive Format (MAFF) is a legacy Firefox extension that allows users to save complete web pages, including all embedded resources like images, CSS, and JavaScript, into a single archive file for offline viewing.
more
Open Source
Saves complete web pages including all resources for accurat...
Pencil Project

Pencil Project

Photos & Graphics Desktop
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.
more
Open Source
Free and open source with no cost.
Google Search

Google Search

Online Services Online Service
Google Search is the world's most popular search engine, providing users with fast and comprehensive access to information across the web. It utilizes advanced algorithms to deliver relevant search results, incorporating features like instant answers, local search, and integrations with other Google services to enhance the user experience.
more
Free
Extremely fast and efficient result delivery.
Showing 1 - 11 of 11

Recently Added Web Browser Extension Apps and Services

Presearch

Presearch

Online Services Online Service
Presearch is a revolutionary, decentralized search engine powered by the community. It offers users privacy-focused search results from multiple sources, rewarding them with cryptocurrency tokens for their activity, and empowering them with control over their data.
more
Open Source
Strong focus on user privacy and data protection.
Marker

Marker

Development Web Browser Extension
Marker is a powerful visual bug reporting and feedback tool designed for development teams, designers, testers, and clients. It simplifies collecting, annotating, and submitting precise bug reports and visual feedback directly from any website, integrating seamlessly with popular project management and issue tracking systems.
more
Commercial
Simplifies bug reporting with visual context.
Add to Search Bar

Add to Search Bar

Online Services Web Browser Extension
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.
more
Open Source
Easily adds site-specific search engines to Firefox.
Qwant

Qwant

Online Services Online Service
Qwant is a European-based search engine emphasizing user privacy. It prioritizes anonymity and does not track search history or personal data. Beyond standard web search, Qwant offers dedicated sections for news, images, videos, and a unique 'social' view, providing a different way to explore information online.
more
Free
Prioritizes and enforces user privacy with no tracking or da...
LanguageTool

LanguageTool

Web Browsers Web Browser Extension
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.
more
Open Source
Extensive support for a large number of languages.
Apertium

Apertium

Education & Reference Machine Translation Software
Apertium is a free, open-source machine translation platform utilizing rule-based methods. It provides versatile translation capabilities, including online translation, browser integration, and potential for localized content.
more
Open Source
High translation quality for supported language pairs.
DuckieTV

DuckieTV

File Sharing Web Browser Extension
DuckieTV is a browser extension and standalone application designed to help you manage and track your favorite TV shows. It integrates torrent search and download functionalities to streamline the process of finding and watching episodes directly from your browser or desktop.
more
Open Source
Integrated episode tracking and torrent search/download in o...
Opera Dragonfly

Opera Dragonfly

Development Web Browser Extension
Opera Dragonfly was a comprehensive suite of web development tools built into the Opera web browser. It provided developers with capabilities for debugging JavaScript, inspecting and editing the DOM and CSS, analyzing network activity, and much more, aiding in the development and optimization of web pages directly within the browser environment.
more
Free
Integrated directly into the Opera browser.
Mozilla Archive Format

Mozilla Archive Format

Web Browsers Web Browser Extension
The Mozilla Archive Format (MAFF) is a legacy Firefox extension that allows users to save complete web pages, including all embedded resources like images, CSS, and JavaScript, into a single archive file for offline viewing.
more
Open Source
Saves complete web pages including all resources for accurat...
Pencil Project

Pencil Project

Photos & Graphics Desktop
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.
more
Open Source
Free and open source with no cost.