Mozilla Firefox Plugins, Add-ons and extension Page 39 of 74

This project aims at creating a universal dark theme for Firefox while adhering to the modern design principles set by Mozilla.

The Query & Answer System for the Coder Community.

Protect yourself and your organization from cybercrime by using Netcraft’s family of apps and extensions for your browser, phone, and email client.

Send to My-phone (QR Code Generator) is a restartless Chrome/Firefox/Opera extension to generate QR code of any open website. It is the easiest way to send a web-page from your desktop to cellphone browser.

Easily convert web pages to a PDF using this web-based online tool. You can use it as an online-service or as a Firefox add-on. Unfortunately you can only store whole web pages as a PDF-file, not only selected parts of a web page.

3D printing doesn’t have to be a complicated, analog, SD card-filled experience; step into the future of modern 3D printing - using your phone, tablet or computer.

A REST client for almost any web service (Firefox and Chrome extension).

The RegretsReporter browser extension, built by the nonprofit Mozilla, helps you take control of your YouTube recommendations.

Redirects all YouTube links to Invidious. Previously hooktube-redirect, but changed since Hooktube is no longer allowed to use the YouTube API, apparently.

Invidition is an extension allowing you to redirect YouTube and X requests to their counterparts, Invidious and .

FREE browser extension. Blocks harmful sites, protects your privacy and finds deals while you shop.

Collect search engines or websites then use / switch them on one UI (any website that supports GET/POST request. Even works with those don't support GET/POST). User cutomizable, with special technical features.

Advanced URL Catalog is a complete bookmark management solution that will allow you to create, edit, import / export, organize bookmarks, synchronize, remove duplicates and validate your favorite Internet pages.

Web application that enables people to watch the same thing at the same time across the globe while interacting via video and text. Currently supports Netflix, Amazon, YouTube, Vimeo, Crunchyroll, etc.

As you browse the internet, sites you visit can attempt to take screenshots of your computer as a pixel-by-pixel unique digital "fingerprint" of you & and your devices. This is called canvas fingerprinting.

Zemanta is a tool that looks over your shoulder while you blog and gives you tips and advice, suggests related content and pictures and makes sure your posts get promoted as they deserve to be.

YouTube Center is a userscript designed to expand the functionality of YouTube. It includes the ability to download the video you're watching, auto selecting your preferred video quality and much more.

Simple and discreet extension that enhances GitHub's search, letting you search for repositories and people faster than ever.

VideoSkip allows you to filter out several types of objectionable content from video streams. It uses the same categories as the "Parents Guide" section of IMDB.com. It can skip sections entirely, or simply mute the sound or blank the video.

SayAI WebExtension extends the ChatGPT browser interface by adding speech-to-text (ask questions using your own voice) and text-to-speech (ChatGPT speaks the answer aloud) functionality.

Bandwidth Hero - an open-source browser extension which reduces the amount of data consumed when you browse web pages by compressing all images on the page. It uses data compression service to convert images to low-resolution WebP or JPEG images.

Let’s face it. You have way too many tabs open, and it takes you AGES to find the right one when you need it most. You also spend too much time doing the same actions in your browser, and you struggle trying to find or memorize difficult shortcuts to become more efficient.

An extension that adds a myriad of much needed features and functionality to reddit for moderators.

Media Player is an open-source project that aims to enhance the overall YouTube experience.

Easy Youtube Video Downloader Express, successor of Easy YouTube Video Downloader , is a fast and easy way to download Youtube videos.