topic How to batch convert multi-band raster images into grayscale? in Data Management Questions https://community.esri.com/t5/data-management-questions/how-to-batch-convert-multi-band-raster-images-into/m-p/324741#M18571 <HTML><HEAD></HEAD><BODY><SPAN>I have hundreds of multi-band, georeferenced JPGs that I need to convert to single band geotiffs.&nbsp; All images are black and white, so I only want one band to minimize file size.&nbsp; </SPAN><BR /><BR /><SPAN>Does anyone know tool that I can use to do this in bulk?&nbsp; I've tried copy raster, mosaic to new raster, and composite bands.&nbsp; None of them will give me a single band raster, although copy raster produces a nice 3-band geotiff.&nbsp; Thanks so much for any thoughts!&nbsp; I know there has to be a way to convert raster images to grayscale, I just can't find it.&nbsp; </SPAN><BR /><BR /><SPAN>Stavros</SPAN></BODY></HTML> Wed, 20 Mar 2013 16:19:48 GMT StavrosC 2013-03-20T16:19:48Z How to batch convert multi-band raster images into grayscale? https://community.esri.com/t5/data-management-questions/how-to-batch-convert-multi-band-raster-images-into/m-p/324741#M18571 <HTML><HEAD></HEAD><BODY><SPAN>I have hundreds of multi-band, georeferenced JPGs that I need to convert to single band geotiffs.&nbsp; All images are black and white, so I only want one band to minimize file size.&nbsp; </SPAN><BR /><BR /><SPAN>Does anyone know tool that I can use to do this in bulk?&nbsp; I've tried copy raster, mosaic to new raster, and composite bands.&nbsp; None of them will give me a single band raster, although copy raster produces a nice 3-band geotiff.&nbsp; Thanks so much for any thoughts!&nbsp; I know there has to be a way to convert raster images to grayscale, I just can't find it.&nbsp; </SPAN><BR /><BR /><SPAN>Stavros</SPAN></BODY></HTML> Wed, 20 Mar 2013 16:19:48 GMT https://community.esri.com/t5/data-management-questions/how-to-batch-convert-multi-band-raster-images-into/m-p/324741#M18571 StavrosC 2013-03-20T16:19:48Z