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nicnicnicnic
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File size larger in Photoshop than in windows preview

Dec 10, 2012 10:22 AM

Tags: #file #size #images #cs6

When I preview an image in windows, the properties panel says my file is only 958KB with dimensions 2400 x 2369. But when I open the file in photoshop (I have CS6) , it says my file is over 16MB with the same dimensions. What is going on?

 
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  • Currently Being Moderated
    Dec 10, 2012 10:33 AM   in reply to nicnicnicnic

    The file content will be compressed, making the file smaller than the uncompressed image size being reported by Photoshop.

     

    Photoshop is telling you the quantity of bytes consumed by a composite of the document it has open: 2400 px * 2369 px * 3 channels (R,G and B) * 8 bytes per channel = 16MB.

     
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  • Currently Being Moderated
    Dec 10, 2012 11:23 AM   in reply to nicnicnicnic

    File size (on disk, with metadata and compression) is not the same thing as document size (in memory, without compression).

     
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