If you want, provide the exact link and I’ll review that specific converter’s privacy, features, and likely reliability.
Since direct conversion software is rare, we must use a "Restore -> Export -> Host" workflow. Here is the most reliable method. spbm file to vcf link
On the other hand, a file (vCard) is the universal standard for electronic business cards. Every smartphone, email client (Gmail, Outlook), and CRM system supports VCF files. If you want, provide the exact link and