Communicate with external applications of your OS through a toolbar button or context menu item.

"External Application Button" extension allows you to define customizable toolbar button and context menu items that can execute external executables by passing command-line arguments of your choice. Using this application, for instance, you can send the current page to another browser or send selected text to a text editor. It is even possible to directly send image URLs to a photo editor of your choice or send download links to an external download manager!

• Homepage: https://webextension.org/listing/external-application-button.html
• Chrome Store: https://chrome.google.com/webstore/detail/external-application-butt/bifmfjgpgndemajpeeoiopbeilbaifdo
• Firefox add-ons: https://addons.mozilla.org/en-US/firefox/addon/external-application/
• Opera addons: https://addons.opera.com/en/extensions/details/external-application-button/