Show HN: Jpeg.io – Convert any major image format into a highly optimized JPEG

Re:Show HN: Jpeg.io – Convert any major image format into a ... by wmil on Wednesday September 28, 2016 @10:24AM (#12597844)

Photoshop is smart enough to disable chroma subsampling[1] if it will screw up the image, it looks like jpeg.io doesn't do that.

One of the worst case scenarios for chroma subsampling is alternating black and red lines. Some monitors/TVs do 4:2:0 by default. It can cause problems...