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Supports: PDF
PDF has fixed page layouts — text doesn't adapt to different screen sizes. On a 6" Kindle or phone screen, PDF text is tiny and requires constant zooming and scrolling. EPUB uses reflowable text that automatically adjusts to fit any screen, from a small phone to a large tablet.
EPUB supports adjustable font size, font choice, line spacing, night mode, and bookmarking on e-readers. These features don't work with PDF files on Kindle, Kobo, or Apple Books — you're stuck with the fixed PDF layout.
Apple Books, Kobo, Nook, Google Play Books, and most e-reader apps use EPUB as their native format. While these apps can display PDFs, the reading experience is significantly better with EPUB's reflowable layout.
Newer Kindles (2022+) support EPUB via the Send to Kindle feature. For older Kindles, convert to MOBI instead.
EPUB uses reflowable text, so the exact PDF layout won't be preserved. Here's what works well and what may change:
| Preserved | May Change |
|---|---|
| Text content | Multi-column layouts → single column |
| Headings and paragraphs | Precise positioning |
| Bold, italic, lists | Page numbers |
| Basic images | Complex tables |
| Chapter structure | Headers and footers |
Best results with: Text-heavy documents (novels, reports, articles). Challenging: Heavily designed PDFs (magazines, brochures, forms with precise layouts).
Text content and basic formatting (headings, bold, italic, lists) are preserved. Complex layouts (multi-column, precise positioning, decorative elements) will reflow to fit the e-reader screen — this is by design, as reflowable text is EPUB's main advantage.
Newer Kindles (2022+) support EPUB via Send to Kindle. Older Kindles need MOBI format — see PDF to MOBI.
Images are preserved in the EPUB output. Large images may be resized to fit the e-reader screen.
Scanned PDFs contain images of text, not actual text. The conversion will include the page images, but text won't be reflowable. For best results, use OCR on scanned PDFs first.
Yes. Completely free with no watermarks, no sign-up required.
Yes. Works in any modern browser on all devices — no app installation required.