Convert ASCII Grid to ESRI .hdr Labelled

Convert ASCII Grid (.asc) to ESRI .hdr Labelled (.bil) online for free. Fast, accurate geospatial format conversion with CRS reprojection.

Ready to convert?

Upload your ASCII Grid file and get ESRI .hdr Labelled output in seconds.

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.

Extensions: .asc
Software: ArcGIS, QGIS, GRASS GIS, GDAL, SAGA GIS
Limitations: Very large file sizes (plain text). Single band only. No built-in compression. Slow to read for large grids.

About ESRI .hdr Labelled

ESRI .hdr Labelled (BIL) is a simple binary raster format with a companion header file describing the data layout. It is used for elevation models and classified imagery.

Extensions: .bil
Software: ArcGIS, QGIS, GDAL, ENVI, GRASS GIS
Limitations: No built-in compression. Requires matching .hdr file. Large file sizes for high-resolution data.

How to Convert ASCII Grid to ESRI .hdr Labelled

  • Upload your ASCII Grid file (.asc)
  • Review detected layers, features, and coordinate system
  • Select ESRI .hdr Labelled as your output format
  • Choose a target coordinate reference system (optional)
  • Click Convert and download your ESRI .hdr Labelled file

Frequently Asked Questions

How do I convert ASCII Grid to ESRI .hdr Labelled?

Upload your ASCII Grid file to ConvertGeoData, review the detected data, select ESRI .hdr Labelled as the output format, and click Convert. Your converted file will be ready to download in seconds.

Is the ASCII Grid to ESRI .hdr Labelled conversion free?

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.

Can I change the coordinate system during conversion?

Yes. ConvertGeoData automatically detects your source CRS and lets you reproject to any EPSG coordinate reference system during conversion.

What software can open ESRI .hdr Labelled files?

ESRI .hdr Labelled files can be opened with ArcGIS, QGIS, GDAL, ENVI and more.

Convert ASCII Grid to ESRI .hdr Labelled Now

No installation required. Works in your browser.

Stop emailing zip files and hoping for the best.

GeoShare: cloud preview + flexible download for every geospatial file you share. Coming soon to ConvertGeoData.