Paul Hartman <paul.hartman+gen...@gmail.com> writes: > On Tue, Feb 8, 2011 at 7:50 AM, Nuno J. Silva <nunojsi...@ist.utl.pt> wrote: >> Does anyone know a tool (other than ghostscript) that is able to convert >> a PDF (or postscript) to grayscale? >> >> Ghostscript does this, but is unable to convert gradients and fills >> (they're replaced by bitmaps) which results in a too big file unless I >> drastically reduce quality. > > Are you the creator of the document and want to save the original as > greyscale, or you want to convert an already existing PDF?
All I have are PDFs, without any original file. > If the latter I think the easy way is to use ghostscript (pdf2ps) to > render it as greyscale postscript. Then you could convert the PS back > to PDF if you need to. But if you already tried that, then, I don't > know... >From what I've been reading, it's always better to use pdftops (poppler) because pdf2ps generates lower-level stuff and also converts fonts to bitmap. But both ways, I'd end up doing the conversion in ghostscript, and that's where the problem is. -- Nuno J. Silva gopher://sdf-eu.org/1/users/njsg
