Mozilla Firefox Plugins, Add-ons and extension Page 17 of 81

CheerpX For Flash is a long-term HTML5 solution for preserving accessibility to Flash applications on modern unmodified browsers.

Automatically change the user agent after specified period of time to a randomly selected one, thus hiding your real user agent.

Online photo editor for cropping, resizing, rotating images, applying effects, creating slideshows, collages, animated GIFs, and video-to-GIFs.

Find out who hosts any website and where it is hosted.

Neat URL cleans URLs, removing parameters such as Google Analytics' utm parameters.

Modern two-factor authentication app with cloud sync that values privacy and security.

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.

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

AI-powered keyboard app for Android with ChatGPT integration, grammar correction, tone adjustment, theme customization, glide typing, over 30 languages.

Adds a button to the Mozilla Firefox toolbar. When clicked, it sends the URL of the current tab to archive.today to preserve a snapshot of the page, and opens the result in a new tab.

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

Encrypts data, supports unlimited devices, offers a global server network, and ensures anonymous browsing with fast connections and cross-platform support.

Copy, paste and translate text from any image, video or PDF.

Visual issue tracking tool enabling point-and-click feedback on web pages with contextual metadata, turning notes into trackable tasks for streamlined collaboration.

Web browser extension adding rich shortcuts to click links/switch tabs/scroll pages or capture full page, use Chrome like vim for productivity.

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.

The protocol's innovations extend battle-tested ideas from Bitcoin and Ethereum:

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

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:

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

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...

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

enhanced-h264ify is a fork of well-known h264ify extension for Firefox/Chrome which blocks VP8/VP9 codecs on YouTube, so that you can use H264 only.

Online Radio streams for J-pop, K-pop and Anime songs.