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STRUCTURED DATA
CSV to KML Converter — Free, Online, No Signup
Convert CSV files to KML online with no signup required.
CSV at a glance
CSV
CSV predates modern API and analytics stacks, and RFC 4180 mostly documents common practice rather than imposing one rich canonical semantics layer.
KML at a glance
KML
KML is strongly associated with the Google Earth ecosystem and was later standardized through OGC.
Format comparison
| Feature | CSV | KML |
|---|---|---|
| File type | Spreadsheet | Other |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1972 | 2004 |
| Inventor | long-standing tabular data interchange convention | Keyhole, Inc. |
| Status | active | active |
| Primary use cases |
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| Vector scaling | Not supported | Supported |
| Reflowable text | Not supported | Not supported |
| Structured data | Supported | Supported |
When to use each format
When to use CSV
- Your source file is already in CSV.
- Preserve source expectations before exporting to KML.
- CSV is commonly used in spreadsheet workflows.
When to use KML
- Your target workflow expects KML.
- Improve delivery compatibility with KML.
- KML is commonly used in other workflows.
FAQs
Why convert CSV to KML?
Convert to KML when the output needs to open cleanly in Google Earth or another Earth-browser workflow, especially for annotated map layers, site plans, territory overlays, and location datasets that benefit from styling and folder-based organization.
What changes when converting CSV to KML?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to KML adds vector scaling.
What should I review after converting CSV to KML?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.