A WordPress plugin that adds a "to Clipboard" button next to the post link fields to the posts editor interface. Clicking on it copies the full post permalink to the clipboard.
This plugin can be useful for quickly making inbound links to the posts you need.
https://progr.interplanety.org/en/wordpress-plugin-copy-permalink-to-clipboard/
The plugin is OpenSource: you can see the source code on GitHub: https://github.com/Korchy/wordpress_copy_permalink_clipboard
1.0.0