Guide · Amazon KDP

Manuscript formatting for Amazon KDP — the complete guide

How to format a book for Amazon KDP: everything Amazon requires for a print book interior — trim sizes, margins, bleed, and the errors that most often cause rejection.

A new era: you can learn all of this… or let the AI do it for you. You don't need to know about margins, bleed or typography — upload your Word and the AI understands your book and gets it ready for Amazon KDP and Kindle.

Automatic

Or let the AI format it for you

Upload your Word and the AI does the rest: it understands your chapters, applies the typography and margins, validates against Amazon KDP and returns a print interior and an ePub. No templates, no layout know-how.

Trim sizes

Sizes and margins

SizeCommon use
6 × 9 inNon-fiction — the most used on KDP
5.5 × 8.5 inFiction — the most popular for indie authors
5 × 8 inCompact fiction (romance, thriller)
8.5 × 11 inWorkbooks, illustrated, coloring books
A5European standard
Common errors

Why Amazon KDP rejects a file

Avoid these errors automatically

Gutter validates every one of these points before you upload the file to Amazon KDP.

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