Browse 1,771 Mozilla Firefox Plugins, Add-ons and extension on AlternativeTo.
Save time and effort scheduling your posts on Facebook, Twitter, LinkedIn, Pinterest, Google Plus, and Instagram, at the same time.
A universal wishlist, think Pocket, but for Shopping. Add a product you want to buy, get notifications if the price drops.
With this extension, you can customize smooth scrolling behavior.
The extension is worth to use, if you are frustrated at:
Step size for scrolling by the cursor keys is so short. A built-in smooth scrolling is somewhat less sensitive and laggy. When you flick a wheel so quick.
The Pdf It! extension is designed for FireFox and runs on any platform: Windows, Mac OS X and Linux. The Pdf It! menu item will be installed at Browser-->Tools menu as well as context menu
LinCV can transform your LinkedIn profile data to a beautiful printable CV with two clicks. You can also add reference data and more detailed contact information.
Proofread Bot checks your writing for grammar, style, spelling, statistic and plagiarism issues and gives recommendations to improve your writing. The tool gives you a visual text editing interface and an auto generated textual report for your convenience.
LanguageTooland
MySessions is a simple session manager. You can quickly save your current browser state and reload it whenever necessary.
Unofficial ProtonMail extension. Provides notifications and makes it possible to close the ProtonMail tab, and even the browser, without getting logged out.
Proton Mailand
RedditVideodl.com allows you to download Reddit videos with Sound in HD Formats. Powerful & free Reddit video downloader to save/download videos from Reddit.
Most powerful auto pager script to fetch the next page automatically for infinity scroll, popular userscripts of Greasemonkey/Tampermonkey addon/extension. Support Firefox/Chrome/Safari /Edge/iOS/Android. Essential efficiency tool.
WebSpellChecker offers a portfolio of multilingual sentence check solutions for dev companies, businesses, and individuals, WProofreader SDK, WProofreader browser extension, SCAYT plugin for CKEditor 4, WProofreader plugin for WordPress.
LanguageTooland
keyconfig allows you to change keyboard shortcuts. [Firefox, Thunderbird, SeaMonkey, and any other XULRunner Application]
Negotiator is a web extension which gives users who are familiar with HTTP requests the tool to simply block and modify them permanently.
NoScript
CherryTreeand
Guard your browser against CSS Exfil attacks!
CSS Exfil is a method attackers can use to steal data from web pages using Cascading Style Sheets (CSS). This plugin sanitizes and blocks any CSS rules which may be designed to steal data.
uBlock Origin
Slickplan brings order to complex website projects for teams and agencies, combining visual sitemaps, user flow diagrams, content planning & design reviews in one hub for faster launches, fewer revisions & seamless collaboration from concept to CMS-ready deliverables.
This extension makes it possible to search within the current site from popup menu or searchbar using the default search engine. Customized for such search engines as Google, Yandex, Rambler, Bing, Baidu, AOL and others.
With group calls up to 256 users, Video4sure is an easy way to make video calls or setup group meetings. No need to register, install or pay. As soon as you visit the home page, it generates a unique invite link that you can share with your contacts.
NewsGuard uses journalism to fight unreliable news. Our trained analysts, who are experienced journalists, research online news brands to help readers and viewers know which ones are trustworthy--and which ones aren't.
NUU is to be an open-source (massive) multiplayer game of space trade and combat. NUU is heavily inspired by Ambrosia Software's Escape Velocity. It's excellent open-source cousin naev currently lends NUU it's assets.
Qualys BrowserCheck is a free tool that scans your browser and its plugins to find potential vulnerabilities and security holes and help you fix them. This tool will also help you fix the security issues discovered by the scan.
Patch My PC
HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon in the status bar when browsing. The details of the errors are seen when looking the HTML source of the page.
Along with Auto-hashtagging, Auto-Emojify, and many automated features, you can generate self-branded text quote images. Like Buffer's Pablo, but you can automate their generation for large groups of posts instantly.
Hootsuiteand
Argentina
Finland
EU
China
United States
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