The conversion from JSON to VCF is a process of mapping and serialization. It is the transformation of a flexible schema into a rigid, standardized one.
Brainstorm: export account data · Issue #929 · monicahq/monica
Different ecosystems prefer different vCard versions. iCloud and iOS work seamlessly with vCard 3.0 and 4.0, while some older legacy systems or enterprise email servers still look for vCard 2.1. Verify your destination device specs before running bulk automation.
| Problem | Likely Cause | Solution | | :--- | :--- | :--- | | | JSON is an object {} not array [] | Wrap your object in square brackets: [...] | | Phone numbers missing | JSON key is "mobile", not "phone" | Edit the JSON to use "phone" OR use a converter that allows custom key mapping. | | Names appear as "Undefined" | JSON key is "fullName", not "name" | Pre-process JSON to rename keys. Use "Find and Replace" in Notepad++. | | Special characters (é, ñ) are garbage | Encoding mismatch | Ensure converter outputs UTF-8. If not, use a script. | | Only first contact imports | Missing END:VCARD or separators | Open VCF in text editor. Ensure each contact block ends with END:VCARD . | json to vcf converter
Structure: Line-based format (e.g., FN:John Doe , TEL:123-456-7890 ).
JSON offers excellent readability and version control compatibility. Converting VCF contacts to JSON for backup, then back to VCF when needed, creates a robust backup strategy.
Easily processes millions of records without UI crashes. The conversion from JSON to VCF is a
VCF, or vCard, is a standard file format for electronic business cards. It’s supported by virtually all address book applications: Apple Contacts, Google Contacts, Outlook, and most mobile phones. A vCard looks like:
If you need to migrate user databases, back up custom application data, or sync a proprietary CRM with smartphones, you must convert JSON data into VCF format. This comprehensive guide covers the technical differences between these formats, explores native conversion methods, and highlights best practices for seamless data migration. Understanding the Formats: JSON vs. VCF
Keep names, emails, phone numbers, and addresses perfectly mapped. iCloud and iOS work seamlessly with vCard 3
Tools like vCardz_i allow for batch conversion between JSON, XML, and VCF.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.