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Zack871024
Participant
March 13, 2018
Question

100MB+ Resize to 1MB

  • March 13, 2018
  • 2 replies
  • 913 views

I have multiple 100 MB+ psd and tiff files in CMYK. I would like to resize them into 1 MB, 300 ppi and around 10-15 cm in width.

I tried doing it through image size and re-sampling. But the smallest file size I could get is around 3.9 MB.

Strangely, if I put the exported 3.9 MB jpg onto a new canvas, and do the export again, the file size could be lowed to around 900KB.

Is there any quicker way of doing this kind of resizing? Or this is the only way?

Thanks

    This topic has been closed for replies.

    2 replies

    c.pfaffenbichler
    Community Expert
    c.pfaffenbichlerCommunity Expert
    Community Expert
    March 13, 2018

    What is the »end-game« here?

    Why CMYK and which Colour Space exactly?

    What file format do you save to?

    Is there significant Ancestor metadata involved?

    Have you tried using File > Export > Save for Web (Legacy) to resize, convert to sRGB and remove metadata in one go?

    Z
    Zack871024Author
    Participant
    March 13, 2018

    The reason I specify CMYK is because if you save it for web the color space will be converted to RGB. I need these file to be used in print, that is why I need it in CMYK and with 300 ppi. The file format I have to save to is JPG.

    c.pfaffenbichler
    Community Expert
    c.pfaffenbichlerCommunity Expert
    Community Expert
    March 14, 2018

    Is there significant Ancestor metadata involved?

    Mylenium
    Mylenium
    Legend
    March 13, 2018

    Well, are you actually sure you are using the same settings and procedures every time? To me it sounds like you don't and that you are merely experiencing color profiles and other metadata being dropped when you re-import your files in a standard document with no custom color settings and the like. If that works, then logically all you would need to do is strip that information from your other files just as well, possibly by ways of using an action to switch the color settings around and using Save for Web/ Save as Copy or whatever.

    Mylenium

    Z
    Zack871024Author
    Participant
    March 13, 2018

    Yes indeed, I use the exact same settings every time I import the jpg I exported in the first step. The new canvas I created in also 300 ppi, in CMYK.

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