Cost / License
- Free
- Proprietary
Application types
Platforms
- Online
- Microsoft Edge
- Google Chrome
- Mozilla Firefox



Browse 1,868 Mozilla Firefox Plugins, Add-ons and extension on AlternativeTo including popular Mozilla Firefox options.



Animated GIF platform with search, creation, sharing, animated stickers, pop culture content, clipboard support, and social media integration for reactions.




Redirector is a browser add-on for Firefox, Chrome, Edge and Opera. The add-on lets you create redirects for specific webpages, e.g. always redirect http://bing.com to http://google.com. It was originally done by request for someone on the Mozillazine forums.











AI-enhanced real-time collaboration in a unified workspace with tasks, document chat, AI File Chat, and project studio. Get instant answers and sync across devices.




Mindomo is the easiest online software for creating mind maps, concept maps, outlines and various other types of diagrams. The following features make it the perfect choice both for business and education:




Enpass offers you freedom from remembering too many passwords and other important credentials. It secures them in one place by your master password and makes them accessible anywhere and everywhere - on your smartphones, tablets, or desktops.




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.




Open source solution to protect your personal email address. Generous free plan with uncapped bandwidth and infinite sends/replies, self-hostable, lot of powerful features, open roadmap, you can count on SimpleLogin to guard your email inbox.




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

linkding is a simple bookmark service that you can host yourself. It supports managing bookmarks, categorizing them with tags and has a search function. It provides a bookmarklet for quickly adding new bookmarks while browsing the web.

Iridium (former YouTube Plus) is an extension built to improve the user experience on the new YouTube Material layout. As of January of 2019, the development is discontinued. Firefox and Chrome Versions are out of date and you must manually sideload the addon.




Convert files like images, videos, documents, audio and more to other formats with this free and fast online converter.


StayFree is a self control, productivity and phone addiction controller app that allow you to show how much time you spend on your smartphone and helps you focus by restricting the usage of apps. You can set usage limits for your apps and receive alerts when exceeding those...




Stylish lets you customize any website with custom user styles (themes for websites). Choose from the largest userstyles library to change the color scheme, background, and skin for Google, Facebook, YouTube and many, many more sites.




Amplenote allows you to take notes and link those notes to functional task and contacts lists for seamless project management. It supports integration with Google and Outlook calendars to schedule tasks and allows e-mail integration as well.




RoboForm is a robust password management software that simplifies the task of securely storing and syncing passwords across various devices and browsers, including Firefox, Chrome, Safari, Opera, Edge, Android, and iOS.




Delays access to apps and websites with a deep breath animation, disrupting unconscious social media habits and syncing mindful moments to HealthKit for improved reflection.




Privacy-focused search engine offering web and image search with no data tracking, no personalized profiling, encrypted access, and family-friendly filtered results.



This third-party website gives you better insight into the Steam platform and everything in its database.




Group YouTube subscriptions into the YouTube folder. Video Deck for Youtube. Mark as watched videos. Filter and sort YouTube videos.




This add-on allows users to prevent websites from using the Javascript <canvas> API to fingerprint them. Users can choose to block the <canvas> API entirely on some or all websites (which may break some websites) or just block or fake its fingerprinting-friendly...


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



