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Fix 'epub rejected missing accessibilitySummary' (Amazon KDP .epub / .opf / .xhtml / .xml) — Instant Pre-Flight & Repair

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Failure Prevented: Keeps backlist titles on EU bookstores by fixing OPF 3.0 schema metadata, broken h1->h4 jumps & ARIA roles automatically.

1. Grab .EPUB or package.opf: Take your InDesign/Vellum .epub archive or raw OPF + chapter XHTML.

2. Drop Into Inspector: Check against all 14 mandatory EPUB Accessibility 1.1 / EU EAA rules.

3. Inspect DOM Graph: See missing schema:accessMode, skipped headings, and untagged images flagged clearly.

Drop Publisher .EPUB Archive or OPF/XHTML Manifest (.epub, .opf, .xhtml)

Drop anywhere on screen or tap to choose file · Instant X-Ray in RAM (no registration)

Pre-Pay Deterministic X-Ray · 3 Structural Defects Caught SHA-256: — · Confidence: 99.4%

Verified Ready Package: EAA-Compliant EPUB 3.3 / Accessibility 1.1 Package + DAISY Ace PASS Report (.zip)

Done! Where to upload / apply your fixed file (30s):

1. Replace Repaired OPF & XHTML: Pack the repaired manifest, nav landmarks, and normalized chapter hierarchy.

2. Verify 0 Criticals in DAISY Ace: Confirm green pass before distributor upload.

3. Distribute Across EU: Upload confidently to Apple Books, Kobo, Tolino, and Amazon.

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