Free Upload, Validation & Preview

Format Your eBook for Kindle

Already wrote your book? Upload your manuscript and turn it into a Kindle-ready eBook package — chapters, table of contents, title page, copyright page, and export files.

Word (.docx) or text (.txt) Auto chapters + table of contents Free one-chapter EPUB preview No watermark
1

Upload your manuscript

Drop in your Word or text file. We detect your chapters and headings automatically.

2

Add your book details

Enter your title, author, and optional dedication, about-the-author, and closing message.

3

Download your package

Get a Kindle-ready EPUB, a cleaned manuscript, a metadata file, and an upload checklist.

Frequently Asked Questions

Yes. Upload your manuscript and KDPBuilder can format it into a Kindle-ready eBook package with chapters, table of contents, front matter, back matter, and export files.
Upload a Microsoft Word document (.docx) or a plain-text file (.txt). Word documents keep your headings and chapter structure. If you already have a print-ready PDF interior, use the Interior PDF tool instead.
Uploading your manuscript, running the structural validation, and downloading a one-chapter EPUB preview are always free. When you are ready to publish, the full package — a complete Kindle-ready EPUB file, a cleaned-up Word manuscript, a metadata file, and an upload checklist — is built using credits, and active subscribers get included exports each month.
Yes. Chapters are detected from your headings and turned into a proper navigable table of contents, along with a title page and copyright page. You can also add a dedication, an about-the-author section, and a closing message.