bulkconverter.org
Bulk workflow • CSV in → CSV out

Bulk CSV Coordinate Converter

Upload a CSV, map your X/Y columns, choose source and target CRS, then download a converted CSV. Everything runs locally in your browser.

CSV

Coordinates

Bulk CSV Coordinate Converter

Upload a CSV, map your coordinate columns, choose source and target systems and download a converted CSV.

CSV stability guidance: best up to 100 MBpreview first rowserror report available
CSV and coordinate conversion can handle larger batches than PDF/OCR, but very large files still depend on the visitor’s browser memory.
1) Upload CSV
Drop your CSV here
or choose a file
No file selected
2) Pick X/Y columns
3) CRS (explicit)
4) Output
Tip: use “_error column” while testing, then switch back to keep/drop.
5) Convert & download
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Idle.
Result preview (after convert)
No results yet.
Input preview (first rows)
Shows your CSV + planned output columns (empty until conversion).
140+ supported CRS including EPSG:4326, EPSG:3857, EPSG:28992, EPSG:2154, EPSG:27700 and all WGS84 UTM zones • Built for GIS workflows
PRACTICAL GUIDE

Helpful details before you export

Start with the converter above. These answers explain supported inputs, privacy and output options.

Can I convert a CSV with thousands of coordinates?

Yes. The converter is designed for bulk rows and preserves the original columns while adding or replacing coordinate output.

Which coordinate systems are supported?

The tool includes WGS84, Web Mercator, RD New, common UTM zones and more than 140 CRS definitions.

Are my CSV files uploaded?

Processing is designed to run in your browser, so the source CSV does not need to be sent to a remote conversion server.

Bulk coordinate CSV converter FAQ

Can I convert coordinates in a CSV file?

Yes. Upload a CSV, choose the X/Y columns, select source and target CRS, then download the converted CSV.

Which coordinate systems are supported?

The converter supports WGS84, Web Mercator, RD New, European national grids, ETRS89 UTM zones and all WGS84 UTM north/south zones.

Can I keep original columns?

Yes. You can preserve all original columns and append output columns, or overwrite your selected X/Y columns.

Is the CSV uploaded to a server?

No. The conversion runs in your browser using client-side JavaScript.

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