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Old 6th October 2015, 03:20 AM   #1

Join Date: Apr 2015
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Question How To Change DPI Of An Image???

Hi friends,
Kindly tell me how to change DPI of an image. I tried most of websites, but am not able to change DPI of image. Is there any software to change image DPI?

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Old 7th October 2015, 04:49 PM   #2
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Photoshop, or any other decent quality photo editing software should be able to do the trick.


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Old 8th October 2015, 01:45 AM   #3
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you use Adobe Photoshop or the below


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Old 19th October 2015, 04:47 AM   #4

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DPI should not be stored in an bitmap image file, as most sources of data for bitmaps render it meaningless.

A bitmap image is stored as pixels. Pixels have no inherent size in any respect. It's only at render time - be it monitor, printer, or automated crossstitching machine - that DPI matters.

A 800x1000 pixel bitmap image, printed at 100 dpi, turns into a nice 8x10" photo. Printed at 200 dpi, the EXACT SAME bitmap image turns into a 4x5" photo.

Capture an image with a digital camera, and what does DPI mean? It's certainly not the size of the area focused onto the CCD imager - that depends on the distance, and with NASA returning images of galaxies that are 100,000 light years across, and 2 million light years apart, in the same field of view, what kind of DPI do you get from THAT information?

Don't fall victim to the idea of the DPI of a bitmap image - it's a mistake. A bitmap image has no physical dimensions (save for a few micrometers of storage space in RAM or hard drive). It's only a displayed image, or a printed image, that has a physical size in inches, or millimeters, or furlongs.

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