Converter CSV in → CSV out

CSV Bulk Coordinate Converter

Everything runs locally in your browser (no server upload). Pick your CSV headers like in QGIS: choose X/Y columns, then From/To CRS, then download.

1) Upload CSV

Drop your CSV here

or choose a file

Delimiter

Header row

Encoding

2) Pick X/Y columns

X column (easting / longitude)

Y column (northing / latitude)

3) CRS (explicit)

Search From CRS

Search To CRS

From CRS

To CRS

4) Output

Preserve all original columns
Keep every input column; add output columns at the end.

Overwrite X/Y columns
Write converted coords into your selected X/Y columns.

Output X header

Output Y header

Decimal precision

Invalid rows

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).

Supported CRS: EPSG:4326, EPSG:3857, EPSG:32631/32632/32633, EPSG:28992 • Built for GIS workflows