Apps with 'Firefox Extension' feature Page 8 of 34

The Dictionary Anywhere extension helps you stay focused on what you are reading by eliminating the need to search for meaning, Double-clicking any word will view its definition in a small pop-up bubble.

Hoxx VPN Proxy service to unblock blocked websites, hide your location and encrypt your connection. Completely free.Hoxx VPN Service can be used to bypass filtered or blocked websites such as NetFlix, Hulu, Spotify or sites that have been blocked by your government or for...

The free Thumbnail Zoom Plus add-on for Firefox shows the full image when you hover over a thumbnail or image link.

TTV LOL PRO removes most livestream ads from Twitch. This is free, don't expect it to be perfect.

Bookmark, Archive, Screenshot & Markup - All-In-One Web Collector, must-have research tool

YT Siphon is a browser extension that lets you choose to open YouTube videos in alternative frontends. Instead of auto-redirecting, it gives you the power to decide with simple shortcuts.

Watch lectures ~1.5x faster by fast-forwarding long pauses between sentences.

Create, edit, delete and switch between browser profiles seamlessly in Firefox. Inspired by Chrome's profile switcher.

Owl transforms webpages with a comfortable dark theme on-the-fly, protecting your eyes from the glaring color schemes on most websites. Owl comes bundled with a ton of features. With Owl, you can:

TabSync Pro allows you to view and manage tabs remotely on other devices. This is an early version, some important features are still missing.

This webExtension lets you use Neovim directly from your browser. Contrary to other extensions, it does not open a new OS window.

FlowCrypt (formerly CryptUp) is the easiest PGP encryption for Gmail. It behaves just like standard email, except it's encrypted.

GNU LibreJS is a free add-on for GNU IceCat and other Mozilla-based browsers. It blocks nonfree nontrivial JavaScript while allowing JavaScript that is free and/or trivial.

Adds search & replace tool for input fields and editable text content.

Ant Video Downloader allows you to download videos from Youtube, Dailymotion and from most of the video streaming site.

Hide unwanted streams, games, categories, channels and tags on Twitch.

A Customized Vimium (to click web page content and manipulate browser windows using only keyboard) having Chinese support, global Commands and injection functionality, in C-style code for quicker action and less resource cost.

Allows you to use Kagi Search with Privacy Pass, which cryptographically ensures that Kagi cannot tie that request to an account and allows for further privacy and anonymity.

Efficiently manage and bookmark your tabs with intuitive keymaps and privacy-conscious storage. Compatible with Firefox for enhanced browsing.

Privacy First Web Simplifier Extension - Access ladder services such as 12ft.io, 1ft.io and self hosted alternatives (Ladder & 13ft for example) with a button!.

A browser extension to View and Manage all form data that has been saved by the web browser giving you full control over what is stored, what is cleaned up or not, and when to perform a cleanup.

PrivacySpy rates, highlights, and monitors privacy policies. Understand how your data is being used.

Harakirimail is a free disposable email service. Just send email to anythingyouwant@harakirimail.com and let us deal with the email (and all spam). And after 24H the email performs harakiri (seppuku), and you never have to see it again.

rollApp is a Software-on-Demand service that instantly delivers virtually any existing desktop software to any Web-browser equipped computing or mobile device over broadband/3G.

Auto Highlight a fully automatic and easy to use text marker / highlighter / style fixer. No need to use search anymore to find important information!