Your print shop wants a PDF in CMYK, but you made it in Word, LibreOffice or a browser, which create RGB colors? With this free online tool you can convert all colors of a PDF (text, graphics and images) from RGB to CMYK, with a professional ICC profile. Images keep their resolution.

CMYK profile Best: ask your print shop which profile to use. If you can't: in Europe, PSO Coated v3 for coated (glossy or matte) paper, PSO Uncoated v3 for uncoated paper, Standard newsprint for newspapers; in the USA, GRACoL 2013. Pure black for text and graphics Black and gray text and graphics are printed with black ink only (K), not with all four inks: sharper small text. Images are not affected. Not with "No profile".

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