Plugin Generate QR code in vCard or MeCard format with your contact information. Share your contact information such as emails and phone numbers and much more through QR code with WordPress using shortcode, widget or everywhere else by direct link. That plugin use MeCard format and vCard version 3 format as most compatible and frequently used. You can read detailed information about vCard here, and about MeCard here. How to increase photo size in QR code vcf file You can override qr-code thumbnail with following code in your theme functions.php file `add_action( ‘after_setup_theme’...
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