Check your book before you upload to Amazon KDP.
Catch KDP formatting, metadata, and content policy risks before hitting Publish. Scan existing manuscripts free, verify title collisions across Apple Books & OpenLibrary, or build 18,000+ word editions with Kindle EPUB 3 & 6×9 print PDFs.
Built to protect your KDP uploads — not just generate AI text
Every guardrail comes from practical KDP review and formatting requirements, catching quality and metadata issues before you click Publish.
26-Rule Pre-Flight Guard
Scans for DSM-5 clinical/medical wording, promo/coupon codes, fake publisher imprints, workbook scorecard triggers, and rectangular box CSS.
Live Title Collision Radar
Queries Apple Books and OpenLibrary in real time so your main title never collides with established bestsellers or triggers Option 1 impersonation flags.
Pen-Name Brand & Domain Organizer
Keeps companion domains separated per pen name and tracks a structured 7-day publishing cadence inside a clean single-account workflow.
18,000–22,000 Word Deep Writer
Rolling-memory chapter engine crafts authoritative non-fiction monographs with zero prompt leakage and dictionary-level compliance sanitization.
Binary-Locked 6×9 Print PDF & Full Wrap
Chrome Headless typesetting locks exact even page counts (100/120/150 pages) and computes exact cream/white spine width + barcode safe zones across 4 cover architectures.
Zero-Hang Kindle EPUB 3
Strips external HTTP clickable links (preventing crawler 429 blocks), converts companion QR codes to 8-bit RGB PNG, and guarantees smooth Kindle Previewer 3 loading.
Simple, transparent publishing credits
Preview your 12-part outline and Chapter 1 free. Pay only when you are ready to export your complete print-ready bundle.
Single Book Pass
No subscription required. Complete 1 full book end-to-end.
- 120 credits (valid 1 year)
- EPUB 3 + 6×9 Print PDF + Full Wrap Cover
- Unlimited 26-rule KDP Guard scans
- All 4 de-homogenized cover architectures
Author Pro
Built for consistent KDP publishing cadence (~3 dual-format books/mo).
- 360 credits / month
- EPUB 3 + 6×9 Print PDF + Full Wrap Cover
- AI one-click compliance sanitization
- All 4 de-homogenized cover architectures
Publishing Studio
Pen-name brand domain organizer + highest priority PDF render queue.
- 1,000 credits / month
- Pen-name domain separation & cadence tracker
- Priority Chrome Headless PDF worker
- AI one-click compliance sanitization
Frequently asked questions
Why publishers switch from generic ebook generators to PublishGuard.
KDP Compliance & Publishing Notes
Practical guides on surviving KDP review, niche research, and formatting.
Why Amazon KDP Flags Books for "Disappointing Customer Experience" (26-Rule Pre-Flight Checklist)
A practical breakdown of the hidden manuscript, CSS, metadata, and link triggers that trigger KDP blocks—and how to audit your book before hitting Publish.
Paperback vs. Kindle eBook Compliance: Avoiding Boxy Print Rejections and Cross-Pen-Name Linkage
Learn why eBooks can pass automated checks while Paperbacks fail Print Review—and how to isolate pen-name domains and publishing cadence safely.
Stop gambling with your KDP account.
Start with 30 free trial credits, test your next title against our 26-rule firewall, and preview Chapter 1 free.