Why JPEG makes screenshots bigger, not smaller (with numbers)

The usual advice for a screenshot that's too big to share is "save it as JPEG". I tested that on a long page of text, and the JPEG came out larger than the PNG while looking worse. Here's the test, why it happens, and what to use instead. The test I generated a 1280×4000 image of black and grey text on a white background, with some headings and... Weiterlesen: Why JPEG makes screenshots bigger, not smaller (with numbers)