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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?

189 Views   2 Replies   Latest reply: Chris Cox, Dec 10, 2012 11:23 AM
 
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  • conroy
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    1. conroy,
    Dec 10, 2012 10:33 AM   in reply to nicnicnicnic
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    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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  • Chris Cox
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    2. Chris Cox,
    Dec 10, 2012 11:23 AM   in reply to nicnicnicnic
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    File size (on disk, with metadata and compression) is not the same thing as document size (in memory, without compression).

     
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