Cost / License
- Free
- Proprietary
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Microsoft Edge
- Google Chrome
- Firefox




Browse 1,762 Mozilla Firefox Plugins, Add-ons and extension on AlternativeTo.




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.

Secures sensitive information with AES-256 and ECC p-384 encryption, generates and auto-fills passwords, synchronizes unlimited devices, and offers data migration.








i2Symbol is your ultimate source of free symbols, emoticons, smileys, and styled text for all social networks such as Facebook, Twitter, and Google Plus.




An essential add-on for power users that have many tabs open. Curb your resource usage by unloading tabs that you haven't visited for a while. An unloaded tab is restored back to its original state when you need it again.

A fork (copy with changes) of the original XKit addon, which improves your Tumblr experience. It is comprised with the ability to install more extensions, further adding more features.






In this app, you will be presented with a video clip shot from a first-person perspective as you walk around a specific location. Your challenge is to identify the town or city where the video was recorded.



OpenRPA automates repetitive tasks performed by humans to cut costs, eliminate keying errors, speed up processes, and easily link applications together. These tasks can be converted into a business process and then automated.

ExpandURL.net is a tool designed to unshorten and reveal the original URLs behind shortened links. Users can paste a shortened link (e.g., from services like bit.ly, tinyurl.com, or t.co), and ExpandURL.net will fetch and display the full, original URL.






Rite.ly is the only self-branded URL shortener with banner, popup, image/text ad, form or video Link Ads (CTAs). Start free and use in RiteBoost, RiteForge or any social publishing product. Just $15/month for unlimited brands and Link Ads.




The all-in-one search addon: just select and search. Find on multiple websites at once. Search via overlay, context menu or omnibar. Featuring anonymous profiles. Easy setup: select from 1000+ user generated searches. Cross-browser sync.






RefControl is an extension for Firefox that lets you control what gets sent as the HTTP Referer on a per-site basis.

Firefox extension. Highly customizable text highlighter with different colors and save option for later visits.


Kjuicer lets you highlight text on the web and automatically creates a three level summary (in - depth, medium and short).




FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.

Pushtorm.net is a push notification service that allows you to both collect your own base of subscribers and send them an unlimited number of notifications.



Web Clipper is an open source extension.You can save anything on the web to anywhere.And you can easily to add any platform.


Extension that changes the verification badge to those who got it with a blue twitter subscription.




YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages. YSlow is a Firefox add-on integrated with the Firebug web development tool.
Secure Login is a login extension for Mozilla Firefox integrated password manager. Its main feature is similar to Opera - Wand login.


