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Synapsi

Free PDF to EPUB converter

Upload a PDF and get an EPUB ebook in seconds. Reflowable text for any e-reader, and Kindle too (Send to Kindle takes EPUB). No signup, no AI.

Free · no signup · no AI
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This free PDF to EPUB converter turns a PDF into a reflowable EPUB ebook in seconds. The text resizes and reflows to fit any e-reader, phone, or Kindle, so you don't pinch and pan a fixed page. No sign up, nothing to install, and your file is processed in memory and never stored.

01

Upload your PDF

Choose a PDF or drop it in. No account needed.

02

Convert

We build your new file in a few seconds.

03

Download

Your file downloads right away, processed in memory and never stored.

Why use this pdf to epub

Reflowable text

The text adapts to any screen size. Read comfortably on a small e-reader or a phone, not a frozen PDF page.

Works with Kindle

Amazon's Send to Kindle accepts EPUB, so you can email or upload the file straight to your Kindle.

Nothing to install

No app, no account, no plugin. Use it in any browser, on any device.

Your file stays private

The PDF is processed in memory and never stored. It's gone the moment you close the tab.

Who it's for

Anyone with an e-reader

Read a PDF the way your e-reader was built for, with adjustable text and proper page flow.

Students

Turn a course PDF into an ebook you can read and annotate on your reader during the commute.

On any device

No software to download. Convert on a laptop, tablet, or phone from the browser.

Your files are never stored

The converter works without an account. Your file is processed on our server in memory, never written to disk, and dropped as soon as the conversion finishes. Nothing is stored, and no AI reads your document.

Questions

Does it keep images and layout?

It extracts the text and rebuilds it as a reflowable ebook, so it reads well on any screen. Exact page layout and images aren't carried over.

Can I read it on a Kindle?

Yes. Amazon's Send to Kindle now accepts EPUB, so you can email or upload the file straight to your Kindle.

Is it free and private?

Yes. No account, and the PDF is processed in memory and never stored.

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