Online reprojection for Voirol 1875 North (Algeria North) (EPSG:30791): import CSV/TXT, pick a target CRS (WGS84, UTM…) and export results. Local browser processing.
Enter X and Y: the result updates as you type.
EPSG:30791 is Voirol 1875 North, a historical system used for mapping northern Algeria. It may be found in older plans, development archives, and surveys that need to be reused.
Use this code to preserve the position of Algerian data created in this reference, then reproject it to WGS84 or the CRS required by your client.
Voirol 1875 is a legacy datum: transformation parameters can depend on the software and region. Keep the original file and document its source CRS.