ChapterTidy: KDP table-of-contents diagnostic checklist
Updated: 2026-11-07
Guide: https://chaptertidy.xyz/en/guides/kdp-table-of-contents-not-working/

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File format (DOCX / EPUB / KPF):
Filename and version:
Approximate KDP upload time:
Exact warning and where it appears:
Changes since the last working version:

For the SAME file version, record each result:
[ ] Visible contents: every link lands on the intended chapter.
[ ] Reader / Kindle interactive navigation: intended chapters and order appear.
[ ] Local reader result:
[ ] Desktop Kindle Previewer result:
[ ] KDP Online Previewer result after processing:
[ ] Different font sizes / devices reviewed:

Failing entry label:
Expected destination:
Actual destination or behaviour:
Focused change made (if a source defect was demonstrated):
Export report review items:
Result after repeating the same tests:

If only platform previews disagree, preserve the evidence for official KDP support.
A passing validator, working preview or accepted upload does not guarantee publication approval.
ChapterTidy does not import KPF. DOCX/EPUB repairs and PDF review drafts have different limits.