Pricing
The KDP check, cover calculator, cover template and royalty calculator are free with no account. Fixed files cost $9 per book, once: the fixed interior PDF and the full-wrap cover as PDF, PNG and layered PSD.
Free
$0
- Full KDP check report, page by page
- Cover & spine calculator, cover template
- Royalty calculator, margin calculator
Per book
$9
- Fixed interior PDF that passes the recheck
- Full-wrap cover: PDF, PNG, layered PSD
- Re-download for 30 days
- Full refund if KDP rejects a problem we fixed
Publishing many books? A multi-book pack is planned. Email hello@formatpaperback.com if you need one now.
At a glance
- Free: full check report, cover/spine calculator, royalty calculator. No account needed.
- Paid: $9 per book, one-time — fixed interior PDF + full-wrap cover (PDF, PNG, layered PSD). Re-download for 30 days.
- Files are processed in your browser; your manuscript is never uploaded to our servers.
- Pagination never changes; text is scaled uniformly (default keeps ≥ 0.08″ clearance inside KDP's margins).
- Supports paperback, no-bleed interiors, trim sizes 5×8 to 8.5×11, 24–828 pages. Bleed (picture books) and hardcover: coming soon.
- Refund: if KDP rejects a problem we fixed, full refund.
- Not affiliated with Amazon. KDP's previewer is the final authority.
FAQ
Is the check really free?
Free: full check report, cover/spine calculator, royalty calculator. No account needed.
What do I get for $9?
Paid: $9 per book, one-time — fixed interior PDF + full-wrap cover (PDF, PNG, layered PSD). Re-download for 30 days.
Is it a subscription?
No. You pay once per book, by card, Apple Pay or Google Pay through Stripe. Nothing renews.
How do I download again later?
Open the same PDF on formatpaperback.com in the same browser within 30 days and the downloads unlock again. Lost it? Email us your order id or the email on the receipt.
What if KDP still rejects my file?
Refund: if KDP rejects a problem we fixed, full refund. Email hello@formatpaperback.com with the KDP message.