JSON vs XML: Data Format Comparison
Last Updated: April 1, 2026
JSON vs XML — when to use each for APIs, configuration, and data exchange.
JSON vs XML
| Feature | JSON | XML |
|---|---|---|
| Readability | ✅ Cleaner | ⚠️ Verbose |
| File size | ✅ Smaller | ⚠️ Larger (closing tags) |
| Arrays | ✅ Native | ⚠️ Workaround needed |
| Schema | JSON Schema | ✅ XSD (mature) |
| API usage | ✅ 80%+ of APIs | ⚠️ Legacy/SOAP |
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