Additionally!
Originally Posted by ddt0725
Adjusting Image quality isn't adjusting the resolution. Instead it is adjusting the compression. Lower quality setting = higher compression.
Compression / Image quality setting will effect how your pictures look when viewed on the computer or printed. Depending on the compression method, to much can make a image look noisy as well as showing other artifacts.
Compression or PPI setting don't help when you try to re-edit a picture that you save from
the web. Eg. to help someone out a little. In fact you are losing IQ in a picture
each time you copy it and then open edit and then re-save and upload a copy of that to the Internet. Your saving a copy of a copy
and so on.
The color quality of your pictures and how well they look in print and how it looks on your computer monitor also depends on your Color Setting such as the working space and color management profiles of the image editing application that you're using. E.g. sRGB vs Adobe RGB or Pro Photo RGB etc.
That will make a visible difference to you when editing your pictures as well as when you print your images.You might not be able to see the subtle difference in the range of colors very good when you're editing them on your computer, but you definitely will when you print if you're not careful. If you edit using Adobe RBG or ProPhoto RGB and then save to Jpeg, and if you weren't careful or your monitor isn't properly calibrated you will suddenly notice a difference in how your colors as well as the brightness appear. Colors can look over-saturated and the overall picture too dark.




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