Apps with 'Firefox Extension' feature Page 5 of 35

Examine, edit, and debug HTML, CSS, and JavaScript on the desktop and on mobile.

Linguist is a browser extension that translates pages and text, potentially replacing your current translation service. It offers real-time page translation, selected text translation, manual input translation, and a dictionary to save important translations.

AdBlitz automatically skips skippable ads and accelerates non-skippable ones, ensuring you enjoy uninterrupted content seamlessly. Remember, it's not an ad blocker.

With a single click on the lamp button, the page will fade to dark. And automatically focus on the video. By clicking on it again, the page will return to normal. It works for all known video sites such as YouTube, Vimeo, Dailymotion, YouKu, etc.

Midnight Lizard web-extension for Google Chrome™ and Mozilla Firefox™ provides custom color schemes for all websites.

A simple web extension that redirects requests to privacy friendly alternatives. The successor fork is LibRedirect.

Anori is a Chrome extension that allows users to create a personalized start page with widgets and folders. The extension offers a grid layout and a choice of eight color schemes. Anori is ideal for users who want to streamline their browsing experience by having quick access...

Requestly is a lightweight proxy available as a browser extension & desktop app to intercept & modify network requests. Using Requestly you can Modify Headers, Redirect Url, Mock API response, Delay/Throttle requests, etc.

Enhances tab management on Chrome and Firefox with features like session management, effortless search, link organization, and category spaces.

Protect your web history, feel safer on public Wi-Fi, and limit ad tracking by increasing the security of your network connection.

Youtube Video and Audio Downloader is an open-source project, downloading Youtube videos (using Firefox download manager) in all available formats (FLV, MP4, WebM, and 3GP) with video quality of your choice.

EPUBReader is a Firefox and Chrome addon which lets you read ePub-files just in the browser. You don't need to install additional software!

Browser extension capturing web pages for offline organization, annotation, and editing, with support for various archive formats, hierarchical collections, and remote access.

All-in-one Kick tool to block channels, categories, tags & chat. Sync remote lists. Boost volume, set quality, danmaku & themes.

Open source browser extension for finding, editing, exporting, optimizing, and managing SVG content.

This extension will mangle your browser's requests to maximize the chances of bypassing paywalls.

Capture full web page screenshots in Firefox, Chrome, Opera, Pale Moon or Internet Explorer Quick screenshots and annotations!

Redesigned new tab page featuring your bookmarks, apps, most visited, recently closed in a custom layout.

Creating visual content should be simple, fun and lightweight. Stencil is designed to help you create beautiful looking images faster than ever before. Even if you've never used an image editing program, you can pick Stencil up and use it in seconds.

A open source manifest v3 web extension with minimal permissions that automatically redirects popular sites to privacy friendly frontends and backends

BlockTube gives you the control over what content you see on YouTube. Now you can easily get rid of those annoying videos or channels that keeps popping up by YouTube's algorithm.

Watch2Gether is a service that allows you to watch videos from Youtube, Netflix, Vimeo and other platforms in-sync together with your friends.

The Web Developer extension adds various web developer tools to a browser. The extension is available for Chrome, Edge, Firefox, and Opera, and will run on any platform that these browsers support including Windows, macOS and Linux.

Securely manage and autofill your passwords across devices with zero-knowledge encryption and two-factor authentication. Also available standalone.

Flagfox is a Firefox extension that displays a flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, WhoIs, similar sites, and more.