For macOS
Importer for Contacts
Import contacts from Excel and CSV into Apple's Contacts app on your Mac, or convert them to vCards. Full privacy, no subscription.
Purchase Importer for Contacts
It is currently not possible to purchase directly from the developer. Just purchase the app from the Mac App Store. If the Mac App Store is not an option, send a support request from the app’s Help menu. I can discuss other ways to obtain a license with you.
Download on the Mac App Store
Easy update process, no license key required, payment via Apple.