Is there a simple way to import & export custom fields?

If I want to do a fresh install, I may not want to import my whole site, just a whole bunch of custom fields.

How can I import all the custom fields from one site to a freshly installed PP Theme?

Same for listings & pages.

WP All Import does not do custom fields.

is there a way to clone just custom fields, listings and/or pages through backup, copy, clone functions in Duplicator?

@Mark, can you add a feature to import and export Custom Fields in Tools in PP Themes please?

Thanks.