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With Negative you can read your e-books and e-textbooks in PDFs after dark without tiring your eyes.

Negative has three working modes:

  • Normal - no inverted colors. In this way, you can open documents to yourself, for example, in Preview on Mac
  • Inverted - here the colors are just reversed, everything is in reverse
  • Inverted with Sepia - the picture in the negative with the sepia added, which in my opinion further improves the comfort of reading in the dark.

Each of the modes is activated one after the other, like on a carousel, after next clicking on the button with the

What's New

Version 1.1.0:
  • Negative is now available in English or in Polish.
  • Now you can toggle toolbar between light and dark mode (via View menu or CTRL+CMD+C)


  • macOS 10.12 or later

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Negative User Discussion


Current Version (1.x)


Downloads 27
Version Downloads 27
License Free
Date 17 May 2018
Platform Intel 64 / OS X
Price Free
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