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Want to add photo; yet file to large; what format?

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To add to what Loren has indicated...1 MB is very large for a photo. A few things affect the file size; Color depth, pixel depth, size, and format. For photos, GIF is not a good choice as it has no compression algorithm and only supports up to 256 colors. Your best bet for a color photo is JPG or PNG....Both use a lossy compression algorithm and have color depths of 16 million colors +. I would suggest you set your photo to .JPG at 72 DPI pixel resolution and size it no more than 800 pixels wide. If you have an application that allows scaling of the compression(quality), anything over 60% will look very good and still maintain a relatively small file size.

I have attached 3 photos for reference: One is a 60% compression JPG that only requires 113K File size and you can see it is clear. One is the same file as GIF. It takes 233K file size and is very pixelated. The last file is another JPG at 100% (no compression) and takes 322K file size and looks no better than at 60%.

Hope that helps!


post-7561-000461500 1278768412_thumb.jpg

post-7561-010882300 1278768424_thumb.gif

post-7561-094156300 1278768438_thumb.jpg

Edited by therock88
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