My webapp manages photos for photography competitions. People upload 30MB JPEGs that would be visually lossless at a tenth of that file size. And I keep the ori

My webapp manages photos for photography competitions. People upload 30MB JPEGs that would be visually lossless at a tenth of that file size. And I keep the originals, but actually resize down to 300KB for every function within the software. Haven't had a single complaint about image quality... :)