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Leevz
Leevz
Participant
August 20, 2017
Answered

Photoshop compresses all files in PSD format

  • August 20, 2017
  • 2 replies
  • 1540 views

Hi! I need a help. Photoshop compresses all files in PSD format. Text and photos look very rasterized. Until today everything worked well. But after I save the picture, the quality is again good. Quality is bad only when I open a file in Photoshop. I already have reinstalled Photoshop, it doesnt help. Who knows what the problem is? Example in the attached screenshot

    This topic has been closed for replies.
    Correct answer Abambo

    looks like bad antialiasing. Do you use GPU acceleration? Look into this: Troubleshoot Photoshop graphics processor (GPU) and graphics driver issues . Switch GPU acceleration of for a quick test.

    Also: save your file as JPEG (good quality) and look at the JPEG using your OS tools, not Photoshop. Is the picture Ok?

    I do not think that it is a Photoshop issue. I suspect a problem with your graphics card or a wrong resolution settings.

    2 replies

    Abambo
    Community Expert
    AbamboCommunity ExpertCorrect answer
    Community Expert
    August 20, 2017

    looks like bad antialiasing. Do you use GPU acceleration? Look into this: Troubleshoot Photoshop graphics processor (GPU) and graphics driver issues . Switch GPU acceleration of for a quick test.

    Also: save your file as JPEG (good quality) and look at the JPEG using your OS tools, not Photoshop. Is the picture Ok?

    I do not think that it is a Photoshop issue. I suspect a problem with your graphics card or a wrong resolution settings.

    ABAMBO | Hard- and Software Engineer | Photographer
    Trevor.Dennis
    Community Expert
    Trevor.DennisCommunity Expert
    Community Expert
    August 20, 2017

    Good advice so far, but I wonder if it is a Cache levels issue?  That would give the noisy image affect, but I don't know if that is just a display issue and that  the image would save OK.

    Stephen Marsh
    Community Expert
    Stephen MarshCommunity Expert
    Community Expert
    August 20, 2017

    Trevor may be onto something… If this image is just a screenshot, ensure that you are viewing the file in Photoshop at 100% zoom (1:1).

    Stephen Marsh
    Community Expert
    Stephen MarshCommunity Expert
    Community Expert
    August 20, 2017

    The posted example in PNG, not PSD.

    PSD uses a *lossless* compression, that does not affect image quality.

    I don’t believe that the problem is with Photoshop.

    What is the original document size in pixels, width and depth?

    What is the width and depth size in pixels that you are saving to?

    What file format are you saving to?

    How are you viewing the final images saved from Photoshop?

    Please add any other information that may be of help to those interested in trying to help you.

    Leevz
    LeevzAuthor
    Participant
    August 21, 2017

    1) I know this is not PSD, but its a SCREENSHOT as the photoshop opens psd;

    2) It's not about the document, Photshop compresses PSD files with any sizes. But if you're interested in the size of the entire template it is equal to 1920x10 000 pixels. Sizes of screenshot are 1421x904;

    3) To save photos, I use PNG, but it does not matter, any format that I save becomes normal (not compressed). PSD files look like compressed only in Photshop;

    4) I view the final photos through a standard Windows 10 application (I dont know name, may be Windows 10 Photos?);

    5) Photoshop compresses only PSD files, with JPG, PNG and so on everything is normal. But if I try to create a new text in Photoshop, it again looks compressed. After I save and open outside of Photoshop everything is normal again

    Stephen Marsh
    Community Expert
    Stephen MarshCommunity Expert
    Community Expert
    August 21, 2017

    There are good reasons that I ask these questions, so thank you for the answers!

    1) I know this is not PSD, but its a SCREENSHOT as the photoshop opens psd;

    I don’t believe that this is helpful. Can you provide a dropbox or other file sharing link to the PSD. As this is a screenshot, how do we know that the viewing magnification is not compromising the integrity of the display? Is the screenshot at 100% zoom level, or some odd size zoom? What happens if you do zoom into 100%?

    2) It's not about the document, Photshop compresses PSD files with any sizes. But if you're interested in the size of the entire template it is equal to 1920x10 000 pixels. Sizes of screenshot are 1421x904;

    Ah, so it would appear that this is not 100% or 1:1, that some sort of onscreen display resize has taken place.

    Duplicate your original file, then resize the duplicate using bicubic interpolation down to 1421x904px, you should see better quality. Photoshop screen redraw only uses a “quick and dirty” resize algorithm, unlike a proper resize/resample using a method such as bicbic.

    Using the term “compressed” is not helping here, there are both lossy (visually damaging) and lossless (visually non damaging) and PSD format uses lossless compression, which is not the issue here.

    3) To save photos, I use PNG, but it does not matter, any format that I save becomes normal (not compressed). PSD files look like compressed only in Photshop;

    OK, but what about when viewing the PSD files at 100% magnification?

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