Convert GeoTIFF to ASCII Grid
Convert GeoTIFF (.tif, .tiff) to ASCII Grid (.asc) online for free. Fast, accurate geospatial format conversion with CRS reprojection.
About GeoTIFF
GeoTIFF is the standard raster format for georeferenced imagery and elevation data. It embeds coordinate system and projection metadata directly in the TIFF file.
About ASCII Grid
Arc/Info ASCII Grid is a simple text-based raster format. Each cell value is stored as a number in a plain text file with a header describing the grid dimensions and position.
How to Convert GeoTIFF to ASCII Grid
- Upload your GeoTIFF file (.tif, .tiff)
- Review detected layers, features, and coordinate system
- Select ASCII Grid as your output format
- Choose a target coordinate reference system (optional)
- Click Convert and download your ASCII Grid file
Frequently Asked Questions
Upload your GeoTIFF file to ConvertGeoData, review the detected data, select ASCII Grid as the output format, and click Convert. Your converted file will be ready to download in seconds.
Yes! ConvertGeoData offers free conversions for all users. No account required for basic conversions. Sign up for a Pro or Business plan for higher limits.
Yes. ConvertGeoData automatically detects your source CRS and lets you reproject to any EPSG coordinate reference system during conversion.
ASCII Grid files can be opened with ArcGIS, QGIS, GRASS GIS, GDAL and more.
Convert GeoTIFF to ASCII Grid Now
No installation required. Works in your browser.