Why do the images I upload to Clker.com have a black background?

Joyce Ewing April 22, 2012
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I can upload images at clker.com, find them on the hard drive and they look fine there.

But when I upload them (to squidoo.com specifically), most come out with a black background. I found that if they turn gray when I mouse over them on their site, they will do this when uploaded. Images that are just a black outline drawing will disappear completely- it will be just a black box when uploaded, though they look fine on the hard drive. Any ideas?

  1. Joyce Ewing
    April 25, 2012 at 10:20 pm

    Thank you for your help. Still have a question though. Is there any particular program that will give me a "save as" option in 24 bit? Paint won't.

    • enne
      April 27, 2012 at 9:59 pm

      Photoshop, gimp or any image editor software!

  2. Shavit
    April 25, 2012 at 4:46 am

    Black background save pixel energy.

    Pixel by default turn off and it's color is black.

    So, in order to leave unnecessary pixel on, the background color is black

  3. enne
    April 25, 2012 at 3:01 am

    Maybe cause the image compressor on the image hosting website doesn't correctly re ad trasparency and turn it into Black. Ha ve you tryed a #ffffff (white) background?

  4. Sabro Net
    April 25, 2012 at 2:57 am

    It sounds like a resizing / preserving transparency issue.

    If you use PNG instead of GIF, and make sure the PNG image (with transparency) is saved in 24-bit mode, when you upload it you will not see black backgrounds.

    The black background issue only affects images with transparency that are stored in less than 24 bits of color depth (i.e. 8-bit images).

    Since GIF format only allows a limited 8-bit color palette, the problem will regularly affect GIFs with transparency.

    However, PNG files can be stored in either 8-bit or 24-bit. (24-bit depth allows 8 bits for red channel, 8 bits for green channel, 8 bits for blue channel, and 8 bits for the transparency channel.)

    Try saving the image as a PNG file in 24-bit mode instead of 8-bit mode before uploading and hopefully that will do the trick.

  5. William Hoover
    April 25, 2012 at 2:47 am

    Sounds like it's a resizing / preserving transparency issue.

    For example :

    If you use PNG instead of GIF, and make sure the PNG image (with transparency) is saved in 24-bit mode, when you upload it you will not see black backgrounds.

    The black background issue only affects images with transparency that are stored in less than 24 bits of color depth (i.e. 8-bit images).

    Since GIF format only allows a limited 8-bit color palette, the problem will regularly affect GIFs with transparency.

    However, PNG files can be stored in either 8-bit or 24-bit. (24-bit depth allows 8 bits for red channel, 8 bits for green channel, 8 bits for blue channel, and 8 bits for the transparency channel.)

    Try saving the image as a PNG file in 24-bit mode instead of 8-bit mode before you upload and hopefull that will do the trick!

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