Thorsten Frommen

As of WordPress 4.4, the Get Shortlink button is hidden by default. This plugin brings it back. Yay.
Please note that the button does not exist at all in a Block Editor context. It will only show up when using the Classic Editor, for example, when editing a single attachment.

Bring Back the Get Shortlink Button

This plugin brings back the Get Shortlink button, which is hidden by default since WordPress 4.4.

wp-goo.gl allows you to publish links in your posts or comments using goo.gl short URL service. With [goo.gl=”name”]link[/goo.gl] or [goo.gl]link[/goo.gl] in your posts. In comments, you donot have to write such special codes. wp-goo.gl will change the links automatically. The cURL functions must be available on your server. WARNING: This plug-in will permanently change your input link!

goo.gl URL Shortener for WordPress

wp-goo.gl allows you to publish links in your posts or comments using goo.gl short URL service.

Bring Back the Get Shortlink Button vs goo.gl URL Shortener for WordPress