It has a mighty peculiar user interface, but, once mastered, can carry out all sorts of tasks that you’d need multiple desktop apps to handle otherwise. GoodReader ($5) for many years, because it’s a Swiss Army knife if there ever was one for handling documents of all sorts. You can also turn to other third-party apps. Open a PDF, tap the eyeglasses at lower right, and tap Night Mode, and voilà! That’s also where you can tap Reading Mode to scroll through plain text. However, in well-created PDFs, the text is set up as a separate flow within the document, which can be used by accessibility tools, such as programs that read aloud the text of a PDF.Īcrobat Reader for iOS offers a Night Mode to invert colors.Īdobe Acrobat Reader app has options for both viewing the text stream by itself and flipping into an inverted Night Mode. PDFs are designed for exact reproduction of what the creator of the file sees as they preview it, whether in a word processor, page-layout program, or specialized software.

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