[DevilsTell]

Originally Posted by DNSB

For the most part, the Kobo Touch Extended driver converts on the fly so you don't need to keep a copy of the .kepub in your library.

On yet another hand, my personal preference is to use the external kepubify tool to convert to kepub.

Ahh, I see. Thank you for the info!

Originally Posted by DNSB

It's faster and it allows me the opportunity to check the ebook before sending it to my ereaders. OTOH, the only books I send as kepub are those that have images such as maps with high enough resolution to make it work zooming in on them and those are few enough that I have never bothered to automate the process of selecting to send epub or kepub.

Can I ask why you favour ePub over KePub? Personally, I've encountered some issues with adjusting line spacing in ePub, and I find the accurate page count feature in KePub to be super handy.