Convert ASCII Grid to MBTiles

Convert ASCII Grid (.asc) to MBTiles (.mbtiles) online for free. Fast, accurate geospatial format conversion with CRS reprojection.

Ready to convert?

Upload your ASCII Grid file and get MBTiles 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 MBTiles

MBTiles is a specification for storing tiled map data in a SQLite database. It is commonly used for offline maps and tile serving.

Extensions: .mbtiles
Software: MapBox Studio, QGIS, TileMill, GDAL, GeoServer
Limitations: Tile-based format — not suitable for raw raster analysis. Fixed tile scheme. Large databases for high zoom levels.

How to Convert ASCII Grid to MBTiles

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

Frequently Asked Questions

How do I convert ASCII Grid to MBTiles?

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

Is the ASCII Grid to MBTiles 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 MBTiles files?

MBTiles files can be opened with MapBox Studio, QGIS, TileMill, GDAL and more.

Convert ASCII Grid to MBTiles 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.