EPUB tools that run in your browser
Fix your ebook files in seconds. No software to install, no account, and your files never leave your device.
Edit EPUB metadata
Change title, authors, series, language, publisher, date, identifier, subjects and description.
Change EPUB cover
Replace a cover or add a missing one with a JPEG or PNG image.
PNG to EPUB
Turn PNG, JPG or WebP images into a fixed-layout EPUB for comics, picture books and scans.
CBZ to EPUB
Convert CBZ comics and manga to EPUB, with right-to-left reading for manga.
MOBI to EPUB
Convert MOBI and AZW3 ebooks to EPUB, keeping chapters, images and the table of contents.
Private by design
Every tool on this site processes your EPUB locally in your browser. There are no uploads and no servers handling your books, which also makes the tools fast, even for large files.
Made for authors, publishers and readers
Correct metadata before publishing, tidy up your ebook library, or give a public-domain book a proper cover. The tools work with DRM-free EPUB 2 and EPUB 3 files.