vCard Editor2 4+

vCard Editor2 is an application for creating and editing vCards.
This application lists multiple contacts in a table style, and has various functions for editing such as setting labels and values ​​for each item, sorting by item, searching and replacing by keyword. You can also change the items of multiple contacts at once.　
A vCard is a file with a vcf extension, and not only Apple's Contacts app, but various contact applications have functions to export and import vCards, and to exchange contact information between apps. will be used.
With this app, you can edit the contact information exported to the vCard file from the Apple Contacts app, restore it to the Apple Contacts app, or use it as a backup. You can also use the vCard file as a second address book using this application.
And this application doesn't communicate with outside servers using the Internet. The Contacts data is only used inside of the app and never be sent to any servers.