EPUB Converter

Convert files to and from EPUB — free, online, no signup.

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guide & FAQ below

EPUB (Electronic Publication) is the open ebook standard published by the IDPF in 2007 and now maintained by the W3C. It packages reflowable XHTML text, images, and styles into a single ZIP-based file, so the text adapts to any screen size. Nearly every e-reader except Kindle uses EPUB natively — Kobo, Apple Books, Google Play Books, and every reading app.

Full nameElectronic Publication
DeveloperInternational Digital Publishing Forum / W3C
Released2007
TypeEbook format
Typical useebooks on e-readers, phones, and reading apps
MIMEapplication/epub+zip

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Frequently asked questions

How do I open a EPUB file?

EPUB (Electronic Publication) is the open ebook standard published by the IDPF in 2007 and now maintained by the W3C. It packages reflowable XHTML text, images, and styles into a single ZIP-based file, so the text adapts to any screen size If a device refuses to open it, the fastest fix is converting it to a more universal format with the converter above.


Is converting EPUB files free?

Yes — 10 conversions a day with files up to 200 MB, free, with no signup and no watermarks.


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