When I upload images I noticed that the file-size is changed on upload. The Demo doesn't do this. Is this a user setting, admin setting or do I have some other problem? Examples:
a 1500 x 2045 px 248,85 kb file becomes: 1500 x 2045 px 339,68 kb
a 1398 x 1000 px 838,62 kb file becomes...