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Dpi question

Mar 18, 2023 Mar 18, 2023

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Hi I'm looking to start selling some stock images but whe. I load them into photo editing software I notice the pixel/inch is 72. The dimensions are quite large. I believe it is possible to get 300dpi by reducing the size of them image. Would anyone advise doing this or is it ok to upload at 72  dpi with higher canvas size. I have uploaded a few images a few weeks ago but they are still under review. Thanks for any advice

 

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correct answers 2 Correct answers

LEGEND , Mar 19, 2023 Mar 19, 2023

You need to understand resolution to do this; how it is used and when it isn't. And understand it is not a measure of quality. Or... understand to ignore it, at least. The resolution (ppi value) of stock images is of no importance. Really, none. It can be 72, 300, 3000 or 6 or anything else. Only the size in pixels matters.  It is forbidden to upsample images (increase the number of pixels).

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Community Expert , Mar 19, 2023 Mar 19, 2023

The ppi (not dpi) value of your picture is irrelevant. Indeed, as @Test Screen Name lays out, the same photo can be saved as 10, 72, 300, 1200, … ppi and it will change nothing to the quality of the photo. The only values important for photos and other pixel images are the number of pixels in the two dimensions (H × L) and the colour depth. With the colour, you should also consider the correct colour profile (sRGB for Adobe stock), as this has an influence on the colour representation.

 

Whateve

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LEGEND ,
Mar 19, 2023 Mar 19, 2023

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You need to understand resolution to do this; how it is used and when it isn't. And understand it is not a measure of quality. Or... understand to ignore it, at least. The resolution (ppi value) of stock images is of no importance. Really, none. It can be 72, 300, 3000 or 6 or anything else. Only the size in pixels matters.  It is forbidden to upsample images (increase the number of pixels).

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Community Expert ,
Mar 19, 2023 Mar 19, 2023

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The ppi (not dpi) value of your picture is irrelevant. Indeed, as @Test Screen Name lays out, the same photo can be saved as 10, 72, 300, 1200, … ppi and it will change nothing to the quality of the photo. The only values important for photos and other pixel images are the number of pixels in the two dimensions (H × L) and the colour depth. With the colour, you should also consider the correct colour profile (sRGB for Adobe stock), as this has an influence on the colour representation.

 

Whatever you understand as canvas size seems to be the length and height in inches or cm, which is irrelevant, except if you want to print the picture on canvas/paper. And there, your ppi value will be an indication of the final print quality.

 

As a conclusion, you should ignore the ppi value, as long as your understanding of that value is limited.

ABAMBO | Hard- and Software Engineer | Photographer

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