How to invert the text in a PDF in iOS

Macworld
Aug 11, 2016, 8:00 am685 pts
Craig Mod, a deep thinker about books, queried on Twitter about a way to invert black-on-white text to white-on-black in a PDF. There are a few ways to carry this out. iOS Accessibility lets you set a triple-press to one of several options, including Invert Colors. To read this article in full or to leave a…

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