Self-descriptive title actually.
Currently only support single image frames, no animation possible.
If quality slider is set to 100 then lossless compression will be used,
otherwise lossy compression is used.
Gives about 35% of file save when re-saving splash screens with lossless
Also saves much faster, up to 15x faster than PNG with a better compression ratio as a plus.
- Single channel (BW) output support