Hi, this is Abby from Clearview Productions Technical Support.
Here's the step-by-step guide on how to convert VCard/VCF to normal contacts.
On your Android phone or tablet, open the Contacts app. At the bottom, tap Fix & manage Import from file. If you have multiple accounts on your device, pick the account where you want to save the contacts. Find and select the VCard/VCF file to import.
Or here's a tutorial link for you to check: