Apps with 'Firefox Extension' feature Page 21 of 32

ShowIP displays the IP address(es) of the current page in the status bar.

PDF Mage lets you save the page you are currently viewing as a PDF file with a single click of a button.

Markdown document viewer. Allows to visualize formatted markdown documents in browser.

Tab Groups are an easy way to organize a lot of tabs. You can visually group related tabs, switch between groups, and quickly search through all of your tabs to switch to a specific one.

Links for later is a local, serverless, Pocket -like Firefox addon.

Proxy Switcher allows you to modify your proxy settings easily from the toolbar panel. Toolbar icon indicates the current type of proxy your browser currently using. The UI for changing proxies is very intuitive. It is very close to the Firefox proxy manager window.

DeskSMS forwards your text messages to your GMail, Google Chat, and DeskSMS Chrome and Firefox extension! And if you reply back, the recipient gets a text from your number!

This was a mail notifier for Firefox. It could check multiple Gmail accounts, including Gmail-hosted accounts. This app added an item to the status bar, and a toolbar item can be added by customizing the toolbar.

TabGroups married with Tab Containers and bookmark & history search.

Browser extension that let's you raise money for the world's most effective charities with no extra costs while shopping online.

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.

SyncPlaces is a Firefox extension that allows you to synchronise your bookmarks and passwords between different installations of Firefox (e.g. a browser at Home and another at Work). It only works with Firefox v3 and above (but is compatible with older bookmark extensions).

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.

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.

Unofficial ProtonMail extension. Provides notifications and makes it possible to close the ProtonMail tab, and even the browser, without getting logged out.

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.

MySessions is a simple session manager. You can quickly save your current browser state and reload it whenever necessary.

A Firefox & Chrome extension that provides pre-configured shortcuts with the possibility of manually adding new ones.

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.

Bright VPN is a free VPN service that encrypts your data and protects your privacy. It is an unblocker which allows you to bypass block restrictions and unblocks any website instantly, so you can unblock your favorite sites from anywhere.

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.

With this addon you can translate any text to your own language with one click or hot-key. You can either translate the selected text, this way the translated text will overwrite the original selected text, or you can translate the full page too.

WiseStamp extension empowers your email signature on any webmail service (Gmail, Yahoo Mail, AOL, Hotmail, Google Apps…)

WebPG is a free, open source suite of tools to bring OpenPGP (GnuPG/PGP, gpg, gnupg) to the browser, in an effort to make cryptographic methods usable, safe and accessible to the common man.

A firefox extension that is a privately customized version of the lightweight feed reader Sage.