Not sure if this is where i post general forum questions??

You really do want to lose quality and yes jpeg. As you read the forums you will find out about photo theft from all photo spots on the internet. Even from here. On a computer screen you really won't see much if any difference in quality even if you drop to 72 DPI and 1000px on the long side. This will also deter some people from wanting to take your photos to print to sell.
 

STM

Senior Member
Your images are going to get resized here if necessary as soon as you post them so there really is no need to make them any larger than about 800px on the long side. For the most part, the resizing here does not seem to have an overly deleterious effect on the quality.
 
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