Thread: Kindle Scribe
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Old 09-10-2023, 03:19 PM   #679
tomsem
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Posts: 7,088
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Join Date: Apr 2009
Location: USA
Device: iPhone 15PM, Kindle Scribe, iPad mini 6, PocketBook InkPad Color 3
Quote:
Originally Posted by sgt123456 View Post
Hi there !

I have a question about the resolution of sideloaded PDF’s on scribe. When a PDF is so large that you can’t simply send it to kindle with the send-to-kindle feature, I sideload it just plugin a cable and copying it to the scribe filesystem.

Doing this makes opening PDFs at scribe readable with the PDF legacy support that the device has. So it makes little margins (really thin ones) on the document when opened. I don’t mind having those little white margins, but I think the renderer is downscaling the images/pages and it makes little artifacts on words and images. So i was wondering if is there any way to figure out what the resolution of this “window” can be, just to get the PDF rendered like pixel perfect.

I know I can get print replicas with Kindle Create, but I don’t want to mess with this, also I think battery life is better with PDF instead KFX, and I’m not interested in writing on those PDF so don’t need for KFX.

Any thoughts on this ? Thx!
It seems like the PDFs are scanned images, and fonts are not vectorized as they would be if you generated them from a document. In that case you would not see any pixellation. And converting to PR won't improve the appearance (assuming I understand what you are describing).

That said, Scribe only lets you zoom in so much (PDF or Print Replica).

I just side-loaded a PDF and compared with Print Replica. Functionally PDF support is lacking: page links do not work at all, and the ToC includes an entry for each page in the PDF. The PR version converts the page links perfectly, and converts (multi-level) PDF bookmarks to a nice multi-level ToC. Moreover zoom of PDF leaves white margins, Print Replica uses the full screen.

Given this, I cannot see any advantage to side-loading a PDF.

If PDF is less than 200 MB send to Kindle Web should handle it. There are many free online tools to help reduce file size (including Adobe's).

Last edited by tomsem; 09-10-2023 at 03:21 PM.
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