To add a new button to the Firefox toolbar, right click on any of the toolbar icons and a menu should appear as shown below. Mozilla Firefox has a user interface that is extremely customizable.

Firefox - Protect your life online with privacy-first Firefox is more than a browser. Learn more about Firefox products that handle your data with respect and are built for privacy anywhere you go online. Pocket: Firefox Installing the Pocket browser extension installs buttons that let you save items or view your list with one click. Hola Free VPN Proxy Unblocker - Add-ons for Firefox (en-US) Jun 30, 2020

Aug 27, 2019

How To Add Trusted Site To Firefox - Tech-Recipes: A Jan 10, 2018 Create a desktop shortcut to a website | Firefox Help If you want to make Firefox your default browser, see Make Firefox your default browser. In addition, there may be third-party Firefox extensions that can help you. For more information on searching for and installing extensions, see Find and install add-ons to add features to Firefox .

Aug 27, 2019

Web Importer | Mendeley Mendeley Web Importer is available for Chrome, Firefox and Edge. Add references quickly and easily to your personal library from anywhere on the internet in just a few clicks. We've rebuilt the Mendeley Web Importer to provide you with the most reliable tool for importing … Adding Toolbars and Toolbar Buttons - Archive of obsolete Support for extensions using XUL/XPCOM or the Add-on SDK was removed in Firefox 57, released November 2017. As there is no supported version of Firefox enabling these technologies, this page will be removed by December 2020. Add-ons using the techniques described in this document are considered a legacy technology in Firefox.