Thread: ePub Verification not accepted for Kobo
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Old 04-21-2021, 12:35 PM   #3
DNSB
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Quote:
Originally Posted by SmithBruce View Post
Hi
I have been using Calibre for several years to prepare my eBooks.
I always verify (HTML/ePUB) these using calibre.
I have never had any problems uploading these files to Amazon.
I have recently tried to upload to Kobo (same files) for the first time.
The ePUB was rejected due to errors – about 102 of them! Two of them ‘fatal’.
I understand what the errors are but not sure why they would not be ‘seen’ by the HTML and Amazon ePub book check?
Thanks, Bruce
Are you using epubcheck to check your files? You can add it as a plugin to calibre's editor or you can use the online epub validator though I would recommend the local install if you are going to check more than one or two books.

You might also want to post the results of running epubcheck (please wrap the results in spoiler tags (the eye with an X icon)).

While at times, I agree that epubcheck is a bit anal about it's checking, if an epub doesn't pass epubcheck, most epub ebook vendors will not accept it.
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