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E
encorelife
Participant
September 19, 2019
해결됨

How do I convert a png from RGB to CMYK for print?

  • September 19, 2019
  • 6 답변들
  • 87724 조회

I uploaded a PNG image I created to an online printer. They say they need the image changed from RGB to CMYK. How do I do this?

    최고의 답변: nikunj.m

    Hi there,

     

    PNG was designed for transferring images on the Internet, not for professional-quality print graphics, and therefore does not support non-RGB color spaces such as CMYK.

     

    To convert the document to CMYK in Photoshop. Open the image in Photoshop and then go to the Image menu > Mode > CMYK color.

     

    You would need to save the file as JPEG or the other available formats using the Save as command.

     

    Regards

    Nikunj

    6 답변

    T
    thegatorboy
    Participant
    November 13, 2024

    The only way I've found to do this with transparent background is to convert the image to cmyk, create a path outlining your graphic, and save out as a tiff with the path. Works like a charm for easily traced images like qr codes and such.

    Stephen Marsh
    Community Expert
    Stephen MarshCommunity Expert
    Community Expert
    November 13, 2024
    quote

    The only way I've found to do this with transparent background is to convert the image to cmyk, create a path outlining your graphic, and save out as a tiff with the path. Works like a charm for easily traced images like qr codes and such.


    By @thegatorboy

     

    Photoshop format would be more appropriate to retain transparency outside of Photoshop (TIFF can retain transparency, but generally not for other apps).

    T
    thegatorboy
    Participant
    November 13, 2024

    Absolutely, thanks for pointing out that option. You're spot on and I've been able to place PSD files w no problem. I've also found good success through the years with my old-school paths.

    robins97574165
    robins97574165
    Participant
    September 20, 2019

    What everyone else said....in addition, if your PNG includes transparency and you'd like to preserve that, save the file as a TIFF and click 'Preserve Transparency' in the save box. 

      K
      kikiwombat
      Participant
      June 6, 2025

      You're an angel for this. Had NO IDEA  a TIFF could be transparent. All these years of banging my head against the wall on this. 

      D Fosse
      Community Expert
      D FosseCommunity Expert
      Community Expert
      September 20, 2019

      Don't use Image Mode for this! Dave is right.

       

      Use Edit > Convert to Profile and pick the correct CMYK profile. If they can't answer, go somewhere else.

        davescm
        Community Expert
        davescmCommunity Expert
        Community Expert
        September 19, 2019

        The first question to ask the printer is which specific CMYK profile does he need your file converted to. If he can't tell you - find another printer. CMYK is not generic - different profiles will print differently.

         

        Dave

         

         

          nikunj.m
          nikunj.m답변
          Legend
          September 19, 2019

          Hi there,

           

          PNG was designed for transferring images on the Internet, not for professional-quality print graphics, and therefore does not support non-RGB color spaces such as CMYK.

           

          To convert the document to CMYK in Photoshop. Open the image in Photoshop and then go to the Image menu > Mode > CMYK color.

           

          You would need to save the file as JPEG or the other available formats using the Save as command.

           

          Regards

          Nikunj

            NB, colourmanagement
            Community Expert
            NB, colourmanagementCommunity Expert
            Community Expert
            March 10, 2023

            @nikunj.m "To convert the document to CMYK in Photoshop. Open the image in Photoshop and then go to the Image menu > Mode > CMYK color."

            Sorry, but I disagree with that tip, as D. Fosse recommended - it's FAR better to use "convert to profile" and take control of the choice of destination CMYK colourspace.

            CMYK is VERY device specific, there IS NO generic "fits all" CMYK. So, Image > Mode > CMYK color can be rather risky - particularly since the majority of users have left color settings: CMYK as it was when PS was installed. 

             

            I hope this helps
            neil barstow, colourmanagement net - adobe forum volunteer - co-author: 'getting colour right'
            google me "neil barstow colourmanagement" for lots of free articles on colour management

              Kevin Stohlmeyer
              Community Expert
              Kevin StohlmeyerCommunity Expert
              Community Expert
              September 19, 2019

              Go to Image menu/Mode and choose CMYK.

                J
                JHanna from Indiana
                Participant
                March 10, 2023

                Based on what others have said, does changing the mode to CMYK actually take if you don't save out as a JPG or other file type that supports CMYK?

                D Fosse
                Community Expert
                D FosseCommunity Expert
                Community Expert
                March 10, 2023

                You can always convert to CMYK, but you need to save to a format that actually supports it (PSD/TIFF/jpeg).

                 

                And as we all emphasized, it needs to be the correct CMYK profile for the actual process. For that reason, don't use Image > Mode. Use Convert to Profile.

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