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Firefox pdf.js viewer spread in Presentation Mode

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How can I get a 2 pages side by side in presentation mode? Outside of Presentation mode I can have 2 pages side by side, but in the mode I can only get one page and black bars.

How can I get a 2 pages side by side in presentation mode? Outside of Presentation mode I can have 2 pages side by side, but in the mode I can only get one page and black bars.

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Hmm, I don't see a way to do that.

I think the idea of presentation view was inspired by PowerPoint slides saved to a PDF, so it was a design goal to "best fit" each page in a full screen view.

I think the closest would be to switch Firefox to full screen mode while displaying spreads, for example, by pressing the F11 key. (Use Firefox in Full Screen mode)

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That's what I tried at first, but it leaves all the controls on screen and doesn't allow fast switching between pages

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Yes, it seems with spreads, the most relevant shortcut keys need to be doubled:

  • n for next page needs to be pressed twice
  • p for previous page needs to be pressed twice

https://github.com/mozilla/pdf.js/wiki/Frequently-Asked-Questions#faq-shortcuts

To propose new features, you could create an issue here:

https://github.com/mozilla/pdf.js/issues