Terms & EULA
Use Book Interior Kit as an independent file preparation tool.
Last updated: May 26, 2026
Independent software
Book Interior Kit is not affiliated with, endorsed by, or sponsored by Amazon or Kindle Direct Publishing.
No approval guarantee
Book Interior Kit helps prepare image-based paperback interior files, but it cannot guarantee acceptance by KDP. Authors are responsible for reviewing final files in KDP Previewer and following Amazon's latest requirements.
License
A valid PayPal Pro license key unlocks export features for the buyer. Do not resell, modify, or redistribute installers outside permitted channels.
User responsibility
You are responsible for the rights, quality, and publishing compliance of your images, manuscripts, metadata, and final book submissions.