Apple has included the Universal Clipboard feature in macOS as far back as High Sierra. Copying an item on one Device and opening it from the Universal Clipboard on another of your Devices is helpful. I use it quite frequently between my iMac and my iPadPro. The most recent iteration of Universal Clipboard in macOS Catalina is the most robust version of all. This article explains how it all works from as far back as macOS High Sierra. This is a great feature, if you are not using it, you should be.