PDF guides
Why Scanned PDFs Don't Convert Well to EPUB
Two different PDF situations both lead to a poor EPUB result, for different reasons: a scanned PDF has no extractable text at all, while a fixed-layout PDF has real text that simply doesn’t reflow cleanly once its page-based layout is removed.
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Scanned or image-only PDFs are rejected outright
The tool samples the first several pages and checks how much real extractable text they contain versus how much of each page is covered by an embedded image. If a PDF looks like scanned pictures of text rather than real text, it’s rejected with a clear message before conversion — this tool does not perform OCR (optical character recognition to read text out of an image).
Why no OCR is offered
This is a deliberate scope decision, consistent with Looty Tools’ PDF to Word converter, which makes the same choice for the same reason: OCR accuracy varies enormously by scan quality and isn’t something this tool can guarantee.
Fixed-layout PDFs with real text still reflow imperfectly
A heavily fixed-layout PDF — multi-column magazine-style pages, dense tables, sidebars — does have real, extractable text and will convert, but EPUB has no page-position concept, so content that depended on columns or side-by-side placement can read out of the order you’d expect.
Practical guidance
For a fixed-layout source PDF, expect paragraph- and table-level fidelity, not layout fidelity. Simpler, single-column text-based PDFs convert the most predictably.
Scanned PDFs and EPUB Conversion FAQ
- Can this tool read text out of a scanned PDF?
- No — it does not perform OCR. A scanned/image-only PDF is rejected with a clear message.
- How does the tool decide a PDF is scanned?
- It samples the first several pages and checks extractable text amount against how much of the page is covered by an image — heavy image coverage with almost no real text is treated as scanned.
- Will a multi-column PDF convert at all?
- Yes, if it has real extractable text — but reading order across columns can come through differently than intended, since EPUB has no page-position concept.
- Is there a way to force OCR for a scanned PDF?
- No — OCR is out of scope for this tool by design.
- What is the maximum page count this tool will attempt?
- Up to 50 pages. A PDF beyond that is rejected before conversion, independent of whether it looks scanned.
Related guides
- PDF to EPUB: Realistic ExpectationsWhat actually carries over when a fixed-layout PDF converts to reflowable EPUB — text, detected headings, images — and what doesn’t, verified against this converter’s real behavior.
- EPUB Compatibility Across E-ReadersHow the EPUB 3 package this tool generates is actually read by Kindle, Apple Books, and Kobo, and what to expect from its table of contents and chapter structure on each.
