Cost / License
- Free
- Proprietary
Platforms
- Mac
- Windows
- Linux
- Google Chrome
- Safari
- Greasy Fork
- Opera
- Firefox
- Tampermonkey

Browse 1,867 Mozilla Firefox Plugins, Add-ons and extension on AlternativeTo including popular Mozilla Firefox options.

Tweak your FindBar the way you like it!
Main features:


Reasy is a Firefox and Google Chrome extension that enables to read using Rapid Sequential Visual Presentation (RSVP).




This Firefox add-on adds auto reload options to the tabs context menu & a toggle button to the toolbar.


Saves selected text to a file in a directory (defaulting to the user's home directory).




NelliTab is not a self configured "Speed Dial", this extension just shows in the new tab page your bookmarks, top sites, history and downloads by showing cached icons offered by sites you visit, nice, customizable, fast and with no privacy concerns.



Kindle Cloud Reader lets you read ebooks instantly in your web browser - no Kindle device required.







Do you need to save time in your daily reading? Resoomer can help you improve your productivity by summarizing your texts for you in 1-click.


Extension that converts Web Novels (and other web pages) into an EPUB for offline reading. Works with many sites, including:

Need to test your web pages out in Internet Explorer, Chrome, Safari, Opera (or anything else for that matter)?

tbx is a browser extension that lets you start shared browsing sessions. It’s made for remote times, when you need everyone on the same page. Literally.
The first dedicated pop-under blocker!
Block all these annoying popups and popunders that pop no matter where you click on a page. No configurations. Easy options. Transparent in use.


StoriesOnBoard helps product managers, product owners, and business analysts understand customer needs, automate feedback collection, develop feature ideas, prioritize and validate what to develop next with a public roadmap, and rally all stakeholders around the story map.




A modern, cross-browser speed dial that respects your privacy, inspired by Opera. Its available as an extension to Chrome and an Addon for Mozilla Firefox



TiSPY is leading parental control software which allows parents to track kids smartphone activities. TiSPY client can track all data of device including SMS, Call Log, Web History, Application List, Mobile SD Card, Social Media applications and more.



A simple browser extension to bypass YouTube's age verification and watch age restricted videos without having to sign in.

Fierr is an extension for Mozilla Firefox that replaces the default error page with a useful, visually appealing page with three buttons: Back, Reload, and Search. The background image of the error page is a high quality 500x500 logo matching the product.



After installing BookmarkDupes, the basic usage is rather simple: To open, click the extension symbol (duplicate stars) or use the link in the options page of the extension. Then select what you want to display: Bookmark duplicates, Empty folders, Non-duplicate bookmarks, All...



This extension will save automatically the content in textarea or WYSIWYG editor when user is typing. User can recover the saved texts in the cache window, even the tab or the window is closed unexpectedly.

WhoDBis a lightweight (~20MB), powerful, and user-friendly database management tool designed to streamline your database administration tasks.




Use the design system you already have. Extract design tokens from websites and use them in code and in your design tool.


