PNdS> From: Paulo Ney de Souza <pauloney at gmail.com> PNdS> Date: Wed, 21 Sep 2022 08:40:13 -0700 PNdS> Please send the list of Open Source tools you can use to: PNdS> Check the Color Model(s) of a PDF file. pdfimages -list PNdS> Change/Embed a color profile on a PDF. pdfx package does a good job. -- Good luck -Boris