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How to convert kindle books to image file
How to convert kindle books to image file like this pool #4787

And then, I have three question about the image extract from kindle books:

1. The smaller size between width and height is always 1920?
2. Is lossless or not, since post #427163 has both png and jpg.
3. Kindle rip or self scan, which is better, why?
1. Use kindle for PC to download .azw file
2. Use calibre + DRM Removal Tool (plugin of calibre) to import, then convert it to zip
3. Extract zip to get image files

About size: it depends, but most of digital versions from bookwalker will be only 1920px height + heavy jpeg compression (80%).

About format: JPEG only. post #427163 is PNG because the uploader stitches two pages together, and didn't want to introduce new compression error.

About preference:

Digital versions obviously tend to have better color accuracy and sharpness. Their relatively small size doesn't bother me much, since the extra size in scans may not have that much information entropy, as they're naturally "blurry" due to printing screening, filtering, scanning technique and equipment etc. But the compression error is annoying.

Still, I won't say I prefer one than the other, I like to have both.
I bought Dengeki Otona no Moeoh Vol.06 on amazon japan just now, and export the images with the same hash value on Yande.re successfully.

Thanks!