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Re:The Art of PNG Glitch (2015) by mrspeaker on Monday February 04, 2019 @08:04AM (#19075975)
I did it with a JavaScript JPG encoder - not randomly flipping output bits, but randomly flipping bits during the encoding: http://www.mrspeaker.net/dev/jpgcrunk/

(Though I kind of have a feeling I pushed my project when this article was posted originally! [Edit: ha, yep, I sure did - someone linked the original discussion below])

Re:The Art of PNG Glitch (2015) by mzs on Monday February 04, 2019 @03:28PM (#19080300)
Re:The Art of PNG Glitch (2015) by jcims on Monday February 04, 2019 @09:02AM (#19076395)
Interesting thing is to see how the different renderers process the glitches. Some have a much greater tenacity than others to get pixels on screen.