Convert eBooks Between PDF, EPUB, MOBI, AZW3, CHM, DJVU and LIT — Free and Private
Converting an eBook shouldn't mean uploading your files to a stranger's server and hoping they get deleted afterward. This free ebook converter runs entirely inside your browser, so your PDF, EPUB, MOBI, AZW3, CHM, DJVU or LIT files never leave your device. There's no account to create, no email to hand over, and no waiting in a queue for a server to process your file — everything happens locally, instantly, using the power of your own computer.
How to Convert PDF to EPUB (or Any Format) Online
- Drop your PDF, EPUB, MOBI, AZW3, CHM, DJVU or LIT file into the tool above, or click to browse and select it.
- Choose your output format by tapping one of the format tags — EPUB is selected by default, but you can switch to MOBI, AZW3, PDF or any other supported format with a single click.
- Click convert. Since the whole process runs in your browser, there's no upload progress bar and no server queue — the file is processed right where it sits on your device.
- Download the converted file. That's it — no signup, no watermark, no file size limit.
Convert PDF to EPUB, MOBI or AZW3
The most common conversion is turning a PDF into a proper eBook format. A PDF is built for print — fixed pages, fixed layout — which makes it frustrating to read on a phone or an e-reader where you constantly have to zoom and scroll sideways. Converting PDF to EPUB (or MOBI, or AZW3) reflows the text so it adapts to any screen size, remembers your reading position, and lets you adjust font size like a real eBook.
Convert PDF to Kindle Format (MOBI/AZW3)
If you're preparing a file for a Kindle device or the Kindle app, you'll want MOBI or AZW3 rather than EPUB, since Kindle doesn't support EPUB natively. This tool converts PDF to Kindle-compatible format directly, so you can send the result straight to your device without running it through a separate Kindle-conversion step. It works the same way for CHM, DJVU and LIT files if you're archiving older eBook formats into something your current e-reader can actually open.
Convert EPUB, MOBI, AZW3, CHM, DJVU or LIT Back to PDF
Conversion works both ways. If you need a fixed-layout, printable version of an eBook — for sharing, printing, or archiving — you can convert EPUB, MOBI, AZW3, CHM, DJVU or LIT back into PDF just as easily. This is useful when a publisher or professor asks for a PDF submission but your source material only exists as an eBook file.
Common Issues You Might Run Into
The converted file won't open. This is almost always a reader mismatch, not a conversion failure — a MOBI or AZW3 file needs a Kindle app or Kindle device to open, while an EPUB needs an EPUB-compatible reader like Apple Books, Google Play Books, or a dedicated e-reader app. Double-check you picked the right output format for where you plan to open the file.
Images or formatting are missing after converting PDF to EPUB. EPUB is a reflowable format, which means it re-lays-out text to fit any screen — this works great for text-heavy PDFs but can distort scanned pages, dense tables, or multi-column academic layouts, since there's no fixed page to preserve. If your source PDF is a scanned image rather than real text, expect the output to look closer to a plain reflowed page than an exact replica.
The file is DRM-protected and won't convert. Ebooks purchased from Kindle, Kobo, or Apple Books are often locked with DRM (Digital Rights Management) to prevent copying. This tool can't and won't strip DRM protection — it only converts the underlying file format of eBooks you already have the rights to convert freely, such as your own documents, DRM-free purchases, or public domain texts.
Special characters or accents look broken (e.g. Vietnamese, Japanese, or Korean text). This usually happens when the original PDF doesn't embed its fonts properly. If the source file displays correctly in a PDF reader but garbles after conversion, try re-exporting the original PDF with fonts embedded before converting.
Conversion is slow or the tab freezes on a large file. Since everything runs on your own device rather than a remote server, a very large PDF (hundreds of pages, or with many high-resolution images) will take longer and use more of your computer's memory than it would on a beefy server. Closing other browser tabs frees up memory and usually speeds things up.
Frequently Asked Questions
Is this PDF to EPUB converter really free?
Yes. There's no subscription, no per-file fee, and no hidden premium tier — every format conversion on this page is free to use, with no limit on how many files you convert.
Will converting PDF to EPUB mess up the original formatting?
Text-based PDFs convert cleanly with reflowable formatting preserved. PDFs that are mostly scanned images or complex multi-column layouts may lose some layout precision during conversion, since EPUB is a reflowable format by design — this is a limitation of the EPUB format itself, not specific to this tool.
Does this work on Mac and Windows?
Yes. Since the conversion runs in your browser rather than a native app, it works the same way on Mac, Windows, Linux, or Chromebook — there's nothing to install.
Do I need an internet connection after the page loads?
The conversion itself happens locally in your browser, so once the tool has loaded, you don't need an active connection for the conversion process — only the initial page load requires internet access.
What's the difference between MOBI and AZW3 for Kindle?
AZW3 is Amazon's newer format and supports more advanced formatting than the older MOBI format, but both are still accepted by Kindle devices and apps. If you're not sure which one to pick, AZW3 is generally the safer choice for a modern Kindle.