Mozilla Firefox Plugins, Add-ons and extension Page 29 of 70
Browse 1,749 Mozilla Firefox Plugins, Add-ons and extension on AlternativeTo.
- Web Browser
- Free • Open Source

The single destination for all the Japanese media you love, and the ones you’ll love next. Discover anime, manga, music & games. Track what you watch/read/play, and listen to anime music—all in one platform and across all your devices.
- Anime / Manga Tracking App
- Freemium • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Microsoft Edge
- Google Chrome
- UNIX Web Browser
- Safari
- visionOS
- Mozilla Firefox
![[Mac] Explore page with upcoming shows, top genres/themes, characters/people born today and many more curated categories. Updated to introduce you to the ever-evolving world of anime.](https://d4.alternativeto.net/cpjVxhHU7NHee1gXbvM4qe271ictrE4bobynclZByDk/rs:fill:309:197:1/g:no:0:0/YWJzOi8vZGlzdC9zL2t1cm96b3JhXzkwMDI5M19mdWxsLnBuZw.jpg)
Start your next video call with a single click. No download, plug-in or login required. Just get straight to talking, messaging and sharing your screen.
- Discontinued
- Video Calling App
- Free • Open Source
- Online
- Microsoft Edge
- Internet Explorer
- Google Chrome
- Opera
- Brave
- Firefox

Keep your Chrome bookmarks on Windows up to date with the Safari bookmarks on your iPhone, iPad, and Mac.
- Free • Proprietary
- Windows
- Google Chrome
- Firefox

Try h264ify if YouTube videos stutter, take up too much CPU, eat battery life, or make your laptop hot.
- Free • Open Source
- Mac
- Windows
- Linux
- Mozilla Firefox

Polisis visualizes any privacy policy in a simplified interface using artificial intelligence. It allows you to know what the company is collecting about you, what it is sharing, and much more.
- Discontinued
- Privacy Tool
- Free • Proprietary
- Online
- Google Chrome
- Safari
- Firefox

The goal of this project is to adds information about the HTTP headers in three ways:
- Web Debugger
- Free • Proprietary
- Mac
- Windows
- Linux
- Firefox

Safeguard against malicious URLs by scanning your feed using Norton Safe Web. Protect your friends by advising them of malicious URLs you might have in your feed.
- Free Personal • Proprietary
- Online
- Google Chrome
- Microsoft Edge
- Mozilla Firefox

Hackertab.dev, a handy extension to help developers stay up-to-date with the latest tech happenings. It’s fully customizable, for frontend, backend, full-stack, mobile, data scientists… bref, for all developers.
- Free • Open Source
- Online
- Microsoft Edge
- Google Chrome
- Safari
- Opera
- Firefox

Browserpass is a browser extension for zx2c4's pass, a UNIX based password store manager. It allows you to auto-fill or copy to clipboard credentials for the current domain, protecting you from phishing attacks.
- Password Manager
- Free • Open Source
- Google Chrome
- Waterfox
- LibreWolf
- Brave
- Chromium
- Mozilla Firefox

Search for a Cause is a search engine that allows you to raise money for charity each time you search. We raise money through a small number of ads included with the search results. The revenue earned from those ads is pooled together and then donated to our partner charities...
- Web Search Engine
- Free • Open Source
- Mac
- Windows
- Linux
- Online
- Google Chrome
- Firefox
Toools.cloud is a free collection of online tools for everyday tasks—like files management, image editing and more—all running locally in your browser with no login and no limits.
- Free • Proprietary
- Online
- Windows
- Mac
- Linux
- Mozilla Firefox

Add Slice, monetize your browser & get paid for the ads you see. As you browse the internet, Slice will display curated non-intrusive ads. Whenever you see a Slice ad, you receive a monetary reward (Slices).
- Free • Proprietary
- Online
- Google Chrome
- Mozilla Firefox

Do you often type Markdown code manually for a link or image, or even all tabs in a window, and feel tired? Copy as Markdown can help you!
- Free • Open Source
- Mac
- Windows
- Linux
- Chrome OS
- Google Chrome
- Firefox

Privacy Settings lets you alter Firefox's built-in privacy preferences easily from a toolbar button. This extension aims to keep all the security settings in one place. There are different modes of operation based on your needs.
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- BSD
- iPad
- Haiku
- Firefox

savmrl.it is a link shortener, which permits you to take a long URL and creates a unique and shorter version of it, which redirects to the original URL when clicked.
- Free • Open Source
- Online
- Firefox
- Google Chrome
- Microsoft Edge

Free and open source extension for adding a custom search engine to the list of available search engines in the search bar and URL bar to Firefox or a desktop browser that can use Firefox extensions.
- Free • Open Source
- Mac
- Windows
- Linux
- Firefox

This extensions provides multiple utilities for firefox search engines. You can add a new custom search engine by providing the search url and the icon url. You can also export the search url and icon urls of all the search engines added to Firefox and import them later.
- Free • Open Source
- Firefox

A Quick short-lived email accounts for free.. Protect from getting awful subscriptions which many websites sending very often. And also prevent you from any viruses, malware, etc.
- Disposable Email Service
- Free • Proprietary
- Online
- Google Chrome
- Firefox

Firefox browser add-on overlays format and quality buttons on images, enabling fast conversion from WebP and other formats to PNG or JPEG with customizable actions.
- Image Converter
- Free • Open Source
- Mozilla Firefox

StreetPass is a browser extension that helps you find your people on Mastodon.
- Free • Open Source
- Google Chrome
- Mastodon
- Firefox

Automatically find user scripts on Userscripts.org (requires Greasemonkey or Scriptish)
- Free Personal • Proprietary
- Mac
- Windows
- Linux
- Online
- Firefox

- Free • Open Source
- Google Chrome
- Brave
- Mozilla Firefox

Track, analyze, control, then improve efficiency
To be the BEST time tracking tool to help you improve your efficiency.
- Time Tracking Tool
- Free • Open Source
- Chrome OS
- Microsoft Edge
- Google Chrome
- Opera
- Mozilla Firefox






































































