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Is ClearType supported?


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I noticed NitroPro text rendering is not sharp and as a result it's tiring to use NitroPro as a PDF reader for more than a half hour.  I bring up the same PDFs in Chrome and the vector fonts are super sharp.  

I can't find a ClearType or similar rendering enhancement control in Preferences.  Is there a way to get text to render sharper in NitroPro?

Example of Chrome (left) and NitroPro (right) viewing the same document.

For reference I'm using NitroPro on a Surface Pro 4 (216ppi display).


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  • Official Nitronaut
Allain Umailin

Hello @NitroUser,

Thank you for reaching out to us through our Community Forums!

To further assist you with your concern, I created a support ticket on your behalf.

I will wait for your response through the support case.


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Allain's advice was to launch NitroPDF.exe with a compatibility setting to override default high DPI scaling.  That did the trick.  All PDF text now renders without pixelation/fuzziness.   Thus, ClearType isn't even needed - which is good because NitroPDF doesn't utilize it.

The specific steps he provided are:

1. Right-click Nitro Pro desktop shortcut or the NitroPDF.exe (by default is installed in C:\Program Files\Nitro\Pro\12) then select Properties
2. Nitro Pro Properties window will open, click on Compatibility tab
3. Under Settings, click on Change high DPI settings.
4. Another Nitro Pro Properties window will open.
5. Enable Override high DPI scaling behavior.
6. OK > OK to save the setting and test Nitro Pro again.

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