QuickIP

Quickly find and copy your public IPv4 and IPv6 addresses

IP versions and resolvers are configurable in Options. You can click the browser action bubble to see your IP addresses and copy them with a click of a button, or you can use keyboard shortcuts to copy them to your clipboard in the background.

This is open source software: https://github.com/mdmower/quickip-chrome

No user data is collected by this extension and no information is sent back to the author.