MobileRead Forums - View Single Post - Kobo claims large PDF I created is DRM protected

DNSB · 09-27-2021, 06:48 PM

With a 1.3GB file size and 8,000 pages, I come up with an average of ~170KB per page which suggests the PDF pages are scanned images and not text. Since the OP mentions searching, there is, probably, a hidden text layer created by OCR in at least some of the pages.

09-27-2021, 06:48 PM	#8
DNSB Bibliophagist Posts: 47,277 Karma: 171291590 Join Date: Jul 2010 Location: Vancouver Device: Kobo Sage, Libra Colour, Lenovo M8 FHD, Paperwhite 4, Tolino epos	With a 1.3GB file size and 8,000 pages, I come up with an average of ~170KB per page which suggests the PDF pages are scanned images and not text. Since the OP mentions searching, there is, probably, a hidden text layer created by OCR in at least some of the pages.