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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.
GeoJSON at a glance
GeoJSON
RFC 7946 standardized GeoJSON as a JSON-based geospatial data interchange format with specific interoperability guidance.
Format comparison
| Feature | JSON | GeoJSON |
|---|---|---|
| File type | Other | Other |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | depends | depends |
| File size characteristics | depends | depends |
| Compatibility | moderate | moderate |
| Editability | moderate | moderate |
| Created year | 2001 | 2008 |
| Inventor | Douglas Crockford | GeoJSON community and IETF GeoJSON Working Group |
| Status | active | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | moderate | moderate |
| Metadata handling | moderate | moderate |
| Delivery profile | moderate | moderate |
| Workflow fit | exchange | exchange |
| Vector scaling | Not supported | Supported |
| Reflowable text | Not supported | Not supported |
| Structured data | Supported | Supported |
| Streaming ready | Not supported | Not supported |
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 GeoJSON
- system exchange
- automation
- specialized interoperability
- Easy fit for web and API workflows.
FAQs
Why convert JSON to GeoJSON?
Choose GeoJSON as target when the output needs to feed browser maps, lightweight GIS services, geospatial APIs, or data pipelines where human-readable JSON is an advantage.
What changes when converting JSON to GeoJSON?
Convert to GeoJSON when the output needs to feed browser maps, lightweight GIS services, geospatial APIs, or data pipelines where human-readable JSON is an advantage. It is a strong target for feature exchange, boundary overlays, route visualization, and developer-friendly map integrations.
What should I review after converting JSON to GeoJSON?
After conversion, review these destination checks: Open converted output in QGIS and verify behavior on real samples; Compare output against the expected depends quality profile; Not every advanced GIS workflow or dataset is best represented in GeoJSON alone.
How can I keep quality stable in JSON to GeoJSON conversion?
Run representative samples, keep settings deterministic, and monitor these risks: Semantics around coordinate reference expectations need care; Not every advanced GIS workflow or dataset is best represented in GeoJSON alone; Validate destination compatibility before large-batch conversion.