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Standalone PDF viewers such as SumatraPDF, MuPDF, Okular or PDFX-Change Editor allow to display PDF metadata and properties such as used fonts, size, date of creation, author etc., typically with a Ctrl + D hotkey.

However, I cannot figure out how to obtain the same info from the embedded PDF viewer in any of the Chromium-based web browsers. So far I tried Google Chrome, Opera, Vivaldi and none of them seem to provide this feature out of the box.

Pressing Ctrl + D obviously doesn't work in browsers (adds page to bookmarks), and there is no UI elements to click on in order to retrieve the PDF metadata.

Is it possible to view properties of a PDF document without saving and reopening it in a standalone viewer?

2 Answers 2

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As a workaround, one can substitute Chromium PDF viewer with Mozilla's PDF.js via corresponding extension. In this case, by clicking Tools -> Document Properties... one can retrieve basic info:

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There are few downsides I think worth mentioning:

  • Overall performance is subjectively worse (even with enabled WebGL). Scrolling and scaling are slower, font rendering is somewhat choppy.
  • Chromium's yellow tick marks on the scrollbar won't show up when searching the PDF document.
  • Address bar is populated with an uninformative chrome-extention://... string instead of the actual URL.
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    Great answer! He's updated it since, and it performs well for smaller docs (at least with this Ghostscripted family tree). For larger 20mb docs with images, yes, it's a bit slower to render each page when dragging the scroll bar to a different part of the doc, but fine on pageup/pagedown. And the quality is superior. Jul 22, 2019 at 6:57
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This can now be enabled in Chrome 89 and newer through chrome://flags/#pdf-viewer-document-properties (bug)

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