Probably the best tool around for all your batch image processing needs, however, is ImageMagick.
To convert an entire directory: for filename in *.NEF do dcraw -c -w '$filename' | pnmtopng > '$filename.png' done NEF images to test this, but according to this page, you can do:Ĭonvert all NEF images to PNG: dcraw -c -w input.NEF | pnmtopng > output.png So, open a terminal and run these commands: sudo apt-get install netpbm dcraw One solution, on Ubuntu, would be to use dcraw to convert NEF to PBM, and pnmtopng to convert PBM to png.
