04-21-2021, 12:57 AM | #1 |
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ePub Verification not accepted for Kobo
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 |
04-21-2021, 07:42 AM | #2 |
creator of calibre
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Because they will be using different varieties of checker, one more harmful than the other.
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04-21-2021, 12:35 PM | #3 | |
Bibliophagist
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Quote:
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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04-21-2021, 07:09 PM | #4 |
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Thanks David, I believe I did that!
Just don't understand how it is accepted by Amazon and not Kobo... Bruce |
04-21-2021, 08:02 PM | #5 | |
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Quote:
As to the actual validation, according to https://github.com/kobolabs/epub-spec, Kobo uses EPUBCheck version 4.2.4. I don't know what Amazon uses. It is likely to be their own validator. But, if they use EPUBCheck, they could easily be using a different version of EPUBCheck and that gives different results. |
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04-22-2021, 10:25 AM | #6 |
the rook, bossing Never.
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I upload epub2 to Smashwords. They then also forward to B&N, Kobo, Apple etc.
If TOC is Ok, Links are ok and epub2 check in Calibre is OK and it's sane on the Calibre Viewer and Kobo Libra, then Smashwords never has a problem, and it appears on B&N, Kobo, Apple etc when Premium Approved. Amazon is less fussy. But now I only upload the epub2 to Amazon that's pass visual on Kobo Libra, Calibre Viewer and passed both local epub check and Smashword's Premium check. Years ago, we'd have seen books pass Amazon with errors and poor formatting. I've downloaded other people's books from Amazon with poor TOC or bad formatting. We also used to upload docx to Amazon, but sometimes page breaks were missing. Eventually they said to upload the same epub2 we sent to Smashwords or converted by Smashwords. They know who Smashwords are! Last edited by Quoth; 04-22-2021 at 10:28 AM. |
Tags |
epub, errors, kodo, verification |
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