FB molesting JPEGs -> upload them as PNGs, reasonably sized and pray. with a bit of luck, none will be reprocessed into crappy JPEG with highest compression ava

FB molesting JPEGs -> upload them as PNGs, reasonably sized and pray. with a bit of luck, none will be reprocessed into crappy JPEG with highest compression available effectively ruining them (yeah, shame for FB, generally it's a piece of sh_t when it comes to technical quality of the site, albeit much better compared to what bugfest it was few years ago)