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epubmystery · 04-23-2025, 08:44 PM

I recently sent an EPUB from Calibre to my Kindle via email, and the book had page number support out of the box (both on the Kindle, and on the app on Android). It wasn't something that Calibre did; I verified by uploading to Kindle straight from my phone, and the page numbers were still there.

However, I'm not seeing this with every EPUB. I've compared 2 EPUBS (one which had out of the box page number support and which doesn't) and I've been unable to figure out what exactly it is in the EPUB that provides this support. I've compared the `toc.ncx` and `content.opf` files, but haven't seen anything that would indicate page numbers. Any ideas?

Happy to upload both EPUBs here, but not sure what the forum rules are around that.

04-23-2025, 08:44 PM	#1
epubmystery Junior Member Posts: 5 Karma: 10 Join Date: Apr 2025 Device: Kindle Paperwhite (10th Gen)	Page number mapping in EPUBs? I recently sent an EPUB from Calibre to my Kindle via email, and the book had page number support out of the box (both on the Kindle, and on the app on Android). It wasn't something that Calibre did; I verified by uploading to Kindle straight from my phone, and the page numbers were still there. However, I'm not seeing this with every EPUB. I've compared 2 EPUBS (one which had out of the box page number support and which doesn't) and I've been unable to figure out what exactly it is in the EPUB that provides this support. I've compared the `toc.ncx` and `content.opf` files, but haven't seen anything that would indicate page numbers. Any ideas? Happy to upload both EPUBs here, but not sure what the forum rules are around that.