Missing cover
Send to Kindle has no cover
Diagnose a grey or generic book tile after an EPUB reaches Kindle.
Read guide →Send to Kindle help
Start with the problem you can see.
These ten guides separate file problems from delivery, account and sync problems—so you can take the next useful step instead of uploading the same EPUB repeatedly.
Delivery rejected
Send to Kindle rejected your EPUB
Find package, manifest, spine and XML problems behind a failed delivery.
Read guide →Cover metadata
Fix EPUB cover metadata
Understand EPUB 2 and EPUB 3 cover declarations and path rules.
Read guide →Decision tree
Send to Kindle not working
Match the visible symptom to an upload, account, sync or EPUB fix.
Read guide →Conversion error
“There was a problem with the document”
Translate Amazon’s generic message into a useful EPUB inspection order.
Read guide →Sending methods
How to send an EPUB to Kindle
Choose the web, mobile app or email route and verify delivery.
Read guide →Library sync
Kindle book not showing in your library
Check account, filters, sync and processing before changing the file.
Read guide →Preflight check
Validate an EPUB for Kindle
Check the container, package, resources and cover before upload.
Read guide →File size
Send to Kindle file too large
Reduce EPUB size safely without breaking images, fonts or references.
Read guide →Processing delay
Send to Kindle stuck processing
Decide when to wait, resend, check the service or repair the EPUB.
Read guide →