Using Photoshop’s Color Picker>Color Libraries is the easiest way to check whether a solid ink is in gamut. If you close all documents the current Color Settings’ CMYK space is used for the gamut. So, a color on the gamut edge might show as in-gamut to a coated profile, but out-of-gamut to an uncoated profile. PDF to CMYK, Online Converter - Convert Video, Audio, Image, PDF - OnlineConvert.com, Online Convert files like pdf, images, video, documents, audio and more to other formats with this free and fast online converter. Acrobat > Print Production > Convert Colors > convert to profile -- any K-only profile you have (we have hp indigo black) or a grayscale profile like dot gain 15. I also use the Perceptual rendering intent as I get solid K100s with that more often. If you dont have pitstop to remap gray/K to registration or All, you can use your RIP for that. Manipulate the SVG file. Convert this to a web-ready PDF and a print-ready PDF. My problem is with the conversion of the RGB PDF to the CMYK PDF. An SVG with a 15MB photo in it will export as a 15MB RGB PDF, but then convert (using GhostScript) to a 3MB CMYK PDF. When trying ImageMagic, the resolution of the output PDF is determined by the Select “Convert to CMYK” after clicking “Convert Colors.” Select the color conversion options you want, including rendering intent and color profile. To ensure the color representation is accurate, preview the converted PDF. Give the modified file a new name and save it. Optimal Techniques for Converting PDF to CMYK. The original file Community Expert , Aug 02, 2011. Click on the Show menu in that dialog (the screenshot shows All), and choose RGB. It will show RGB objects on the page. Another thing you can do is use the Object Inspector. In the Preview section, you're previewing Separations. Click Object Inspector, and click on objects you think might contain RGB and it will Digital printers use the same CMYK to print as litho does, but it’s true to say that digital printers can convert RGB to CMYK on-the-fly, and some printers can do a better job of it than Photoshop does. But all digital printers are not equal. IMO the HP indigo presses are far superior to the Xerox Igen presses. In my pdf file, i add images and text as below : Image img = Image.getInstance (fileName); // type png or jpg document.add (img); Paragraph p = new Paragraph (); document.add (p); I want to convert it to DeviceCMYK mode for printing. But in the book said : "iText doesn’t convert RGB colors into CMYK". e9Gas.