📂 BULK CONVERSION · UP TO 100,000 POINTS · FREE

Bulk CSV Coordinate Converter

Upload a CSV of points, choose source and target systems, download the converted file. Runs entirely in your browser — your data never leaves your device.

CSV format

The file can have any number of columns — specify which columns contain the source coordinates. First row can be a header (auto-detected).

id,name,lat,lng,note
1,point A,45.4642,9.1900,reference
2,point B,45.4700,9.2000,check
3,point C,45.4800,9.2100,

Supported delimiters: comma, semicolon, tab. Up to 100,000 rows. Zero server uploads — 100% client-side processing.