>>22099724I use and recommend these, but you need to be a computer nerd for them to help.
https://pnggauntlet.com (lossless, easy to use)
https://github.com/mozilla/mozjpeg (lossy, need to know how to use command line)
and then have some scripts that use oxipng too.
Compare
Original PNG screenshot (4.08MB):
https://litter.catbox.moe/gmqc08.pngLossless PNG recompression on max custom settings (3.5MB):
https://litter.catbox.moe/xklqc4.pngLossy Mozilla JPEG (110KB): pic related
The compress artifacts in the picture are from the stream itself.
Maybe these can help you fit under the 2MB limit.
>>22099764kek