I've recently updated to el captain OS, and the pdf viewer is coming up blurry. There are no issues if I open the pdf file in Preview directly, only the Preview pdf viewer in TexShop.

I have downloaded the latest version of MacTex.

EDIT: Below a picture with Preview on the right and TeXShop on the left.

enter image description here

  • Could you add a screenshot demonstrating the difference? Have you tried zooming in and out? Is it really blurry or just some sort of rendering bug thing?
    – Seamus
    Dec 7, 2015 at 19:08
  • You need to update TeXShop itself. The current version is 3.58, which, among other things, deals with the blurry PDF problem.
    – sgmoye
    Dec 7, 2015 at 20:24
  • @sgmoye current version of texshop is 3.58
    – Plamen
    Dec 7, 2015 at 22:55
  • Isn't that what I said?
    – sgmoye
    Dec 7, 2015 at 23:02
  • Let me elucidate: I had the fuzzy PDF problem with a slightly earlier version of TeXShop. The problem went away when I updated to the current version.
    – sgmoye
    Dec 7, 2015 at 23:05

1 Answer 1


First, on the right you are having Acrobat Reader (not Preview), which has its own PDF rendering package. If the left PDE was rendered using El Capitan's PDF rendering package (the same package that renders PDFs in OS X native Preview app) then it is highly likely you can do nothing about the quality because the PDF rendering package is not working very well in El Capitan. For this reason (Blurry PDFs in Preview in El Capitan) I rolled back to Yosemite.

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