InDesign Export Settings for KDP
What It Means
InDesign export settings determine whether a well-formatted layout becomes a stable print PDF or a file that fails validation during upload. In KDP workflows, export choices affect transparency behavior, image quality, page geometry, and embedded resources.
The safest approach is to use one controlled export profile consistently across revisions so the final PDF matches the layout file exactly.
Why It Matters
Incorrect export settings can introduce scaling, flattening, font, or image problems even when the source file is correct. These failures often appear only after upload, which makes them expensive to diagnose late in production.
Using a repeatable export preset reduces revision risk and helps keep print output predictable.
Recommended Export Profile
For most paperback workflows the safest export profile is PDF/X-1a because it flattens transparency and ensures consistent print output.
Important Export Settings
Key settings when exporting:
| Setting | Value |
|---|---|
| Compatibility | Acrobat 4 (PDF/X-1a) |
| Compression | 300 DPI |
| Marks | None |
| Bleed | 0.125 in |
Example
Assume a paperback interior is finalized in InDesign at 6 x 9 in with full-bleed graphics. Exporting through a print preset that preserves document size, embeds fonts, and applies 0.125 in bleed produces a PDF that is much less likely to fail KDP checks than a custom ad hoc export.
Transparency Flattening
Transparency effects may cause rendering issues if exported with incompatible settings.
To avoid this:
- flatten transparency
- avoid layered effects
- verify final PDF before upload
Related issue:
Common Mistakes
- Exporting with different presets across revisions.
- Leaving bleed disabled on a bleed-dependent file.
- Using a compatibility mode that preserves unsupported transparency behavior.
- Exporting through a print driver instead of a controlled PDF preset.
- Ignoring the final PDF after export.
Tools
Related Errors
FAQ
What export preset is safest for KDP?
PDF/X-1a is commonly the safest because it creates stable print output.
Why can an InDesign file look correct but fail after export?
Because export settings can alter transparency handling, bleed, or image quality even when the layout file is correct.
Should I verify the PDF after export?
Yes. The exported PDF is the submission file and should be checked directly.