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Kepublicity vs kepubify: catalog facts
Kepublicity	kepubify
Free Free and open source under the GPL-3.0-or-later license.	Free Free and open source.
Linux	Web, Command line
Converts EPUB files to Kobo's KEPUB format Supports batch conversion and drag-and-drop	Converts most books in under a second Tolerates malformed HTML in source EPUBs
Linux distribution is documented through Flathub	Only useful for Kobo e-reader owners Command-line oriented, with no desktop GUI
Downloadable app	Downloadable app, Web application
Open source	Open source
License: GPL-3.0-or-later	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.