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JSON at a glance
JSON
RFC 8259 describes JSON as derived from ECMAScript object literals and notes its design goals as minimal, portable, textual, and a subset of JavaScript.
VCF at a glance
VCF
RFC 6350 standardized a modern vCard profile for exchanging contact-card records between systems.
Format comparison
| Feature | JSON | VCF |
|---|---|---|
| File type | Not available | Not available |
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| Compression / quality | Not available | Not available |
| File size characteristics | Not available | Not available |
| Compatibility | Not available | Not available |
| Editability | Not available | Not available |
| Created year | Not available | Not available |
| Inventor | Not available | Not available |
| Status | Not available | Not available |
| Transparency | Not available | Not available |
| Animation | Not available | Not available |
| Primary use cases |
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| Archival suitability | Not available | Not available |
| Metadata handling | Not available | Not available |
| Delivery profile | Not available | Not available |
| Workflow fit | Not available | Not available |
| Vector scaling | Not available | Not available |
| Reflowable text | Not available | Not available |
| Structured data | Not available | Not available |
| Streaming ready | Not available | Not available |
When to use each format
When to use JSON
- system exchange
- automation
- specialized interoperability
- Easy to parse across nearly every modern programming environment.
When to use VCF
- system exchange
- automation
- specialized interoperability
- Broad support across contact-management systems.
FAQs
Why convert JSON to VCF?
Choose VCF as target when exporting contacts for import into phones, mail clients, CRMs, or other address-book systems.
What changes when converting JSON to VCF?
Convert to VCF when exporting contacts for import into phones, mail clients, CRMs, or other address-book systems. It is ideal for contact migration, lead handoff, customer lists, and personal address-book backups. Use it when preserving contact semantics matters more than generic tabular representation.
What should I review after converting JSON to VCF?
After conversion, review these destination checks: Open converted output in Apple Contacts and verify behavior on real samples; Compare output against the expected depends quality profile; Field support varies across clients.
How can I keep quality stable in JSON to VCF conversion?
Run representative samples, keep settings deterministic, and monitor these risks: The file can be semantically correct yet still map poorly into a target contact model; Field support varies across clients; Validate destination compatibility before large-batch conversion.