EPUB .epub
An ebook container made from packaged web documents. DRM-free books have a text preview.
EPUB file format guideEPUB to OEB converter
Convert EPUB (.epub) to OEB for free. Choose files, review the available settings and download your results. No account needed.
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Open eBook package .oeb
An OPF/HTML/resource directory. Our hosted converter downloads its files together as a ZIP archive.
OEB export produces an OPF manifest, HTML content and resources packaged together as a ZIP download; it is not a single OPF file.
OEB file format guideHow to convert EPUB to OEB
- Select EPUB files from your device or drag them into the converter.
- Check the OEB output. Open conversion settings if you want to make adjustments.
- Convert, compare the original and result, then download your files.
Quality, compatibility and file limits
DRM-free books only. Layout, pagination and typography may change, especially from fixed-layout formats.
Processing uses your device when possible and our servers when required. Browser files are limited to 256 MB each; server conversions to 64 MB; browser spreadsheets to 32 MB. Previews show supported content and do not guarantee identical rendering in every application.