Thread: k2pdfopt: optimizes PDFs for viewing on e-readers
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Old 04-08-2022, 04:08 AM   #1936
modified
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Join Date: Jan 2011
Device: PW5
Thank you! Your suggestions indeed made a difference in the quality of the text rendering.

Thanks again for the awesome tool!



Quote:
Originally Posted by willus View Post
Based on your posted screenshot of the Kindle Paperwhite 5, which shows the visible part of the PDF to be 1174 x 1554 pixels, it looks like the Paperwhite 5 is using the same display size/resolution as the Kindle Oasis 2, so you should use -dev ko2 (Kindle Oasis 2) for your screen, and also drop the "-odpi 300":

./k2pdfopt Editorial.pdf -ui- -x -mt 0.8 -mb 0.5 -fc- -mc -dev ko2

If you still aren't happy with that you can try adding -dr <xx> where <xx> is some number above 1.0 to increase the resolution of the bitmap in the output PDF even further, e.g. for a factor of 2 higher resolution:

./k2pdfopt Editorial.pdf -ui- -x -mt 0.8 -mb 0.5 -fc- -mc -dev ko2 -dr 2
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