Convert absolute URLs to internal paths

Another +1 here. Building a new project and immediately content authors have already begun using internal links incorrectly, despite the existing help text. The contrib module is helping out with this.

Also, slightly different use case, and most likely another new issue is links to media, for example linking to /sites/xxxx/files/xxxx.pdf vs media/xxxx. I may end up coding my own presave to handle that, as I am using the contrib media url module that adds /download to each media item alias.

Any work we can do to promote/enforce best practices will go a long way. A few years down the line many sites become plagued with broken links and there is no simple or cheap way to fix it.

Check out this module if you need to convert absolute URLs with text formats:
https://www.drupal.org/project/convert_url_filter →