Link Preserver works with a set of filters so you can control how intrusive it can be. It doesn’t change anything you typed in the card titles and descriptions. It just replaces it with a new URL.

How can I disable Atlassian Smart Links in Trello?

First, make sure you’re using Link Preserver. If you are, select “Disable Atlassian Smart Links” from the Options menu.

After that, click the “Save Changes” button to save the new link addresses. You can remove the setting again by deleting Link Preserver.

Its goal is to make it easy for you to trust the links you type into your posts, comments, and checklist items.