PDF To Book

Convert PDF to Kindle

Turn your PDF into a clean EPUB — the format Kindle actually wants — then send it in one step.

50 free pages at signup · No credit card required · Files deleted on request

Why sending a PDF straight to Kindle disappoints

You can email a PDF to your Kindle. What arrives is either the frozen print page (tiny text, endless zooming) or, if you let Amazon convert it, a text extraction with the structure stripped out. Both paths are documented pain:

  • Users on Amazon’s own forums report losing the entire table of contents when Amazon converts their PDF — the book arrives as one long, unnavigable scroll.
  • Amazon’s Send to Kindle help pages advise removing “large tables or tables with complex formatting” before sending — the converter can’t handle them.
  • Footnotes, running headers and page numbers from the print layout end up spliced into the middle of paragraphs.

The fix is to do the conversion before Amazon touches the file: rebuild the PDF as a structured EPUB, then let Send to Kindle do what it’s good at — delivery.

The PDF-to-Kindle workflow that works

  1. 1

    Convert your PDF to EPUB here

    Drop the file above. The AI detects chapters, rebuilds the table of contents, fixes footnotes and cleans out print artifacts — the things Amazon's converter loses.

  2. 2

    Send the EPUB to your Kindle

    Use Send to Kindle: the web uploader at amazon.com/sendtokindle, the mobile app's share sheet, or email the file to your @kindle.com address. EPUB is accepted directly (max 200MB).

  3. 3

    Read it like a real Kindle book

    The book appears in your library with working chapter navigation, adjustable fonts, Whispersync position — everything a store-bought Kindle book has.

EPUB is what Kindle wants now

Since 2022, Amazon’s official personal-document format is EPUB: Send to Kindle dropped MOBI support in August 2022 and accepts EPUB everywhere. If a guide tells you to convert PDF to MOBI for your Kindle, it’s years out of date — we cover that history on the PDF to MOBI page.

One nuance for Kindle Scribe owners: PDFs keep their fixed layout, which is what you want for margin-writing on documents — but for reading books, a reflowable EPUB with adjustable type is far more comfortable. Convert books, keep forms as PDFs.

Frequently asked questions

How do I send an EPUB to my Kindle?

Three free ways: upload at amazon.com/sendtokindle, share from the Kindle mobile app, or email the file to your @kindle.com address (find it in Manage Your Content and Devices → Preferences). The book syncs to all your Kindle devices and apps.

Why does my PDF look bad on Kindle?

PDF is a print format: text is pinned to an A4/letter page that doesn't fit a 6-inch screen. Kindle either shows the page shrunken (unreadable) or extracts the text mechanically (structure lost). Converting to EPUB first rebuilds the book as reflowable text that adapts to the screen.

MOBI or EPUB for Kindle in 2026?

EPUB. Send to Kindle stopped accepting MOBI in August 2022. MOBI only matters for very old Kindles loaded over USB.

Will page numbers match the printed book?

No — reflowable text doesn't have fixed pages; Kindle shows locations and estimated pages based on your font settings. If you need exact print pagination for citations, keep the original PDF alongside your reading copy.

Is there a size limit?

Send to Kindle accepts files up to 200MB. Our converter accepts PDFs up to 100MB, and the EPUB that comes out is almost always far smaller than the source PDF.