greytiff(1) Convert a TIFF file to monochrome using an ICC device profile. Section 1 argyll bookworm source Description CONVERT NAME Convert - Convert a TIFF file to monochrome using an ICC device profile. DESCRIPTION Convert a TIFF file to monochrome using an ICC device profile SYNOPSIS greytiff [-v level] profile.icm infile.tif outfile.tif -v Verbose -p Use slow precise correction -j Use CIECAM02