Spinewright — Editor

Book setup

Binding

Trim size

Interior ink & paper

Page count

Text safe margin (inside trim)

Exact dimensions from KDP

KDP's cover calculator gives exact numbers for your book. Paste them here to override the estimate (leave 0 to use the calculated value).

Spine width (in)

Full cover width (in)

Full cover height (in)

Pick a layout, then swap in your own words and images. Layouts adapt to your trim size.

Upload a .ttf, .otf or .woff font you have a licence for. It's saved with your project.

Upload images
or drop them here

JPG, PNG, WebP, SVG. For print, aim for 300 DPI at the size you use them.

Place new images on

Nothing uploaded yet.

If you don't supply your own ISBN barcode, KDP prints one in the barcode area of the back cover. Keep text and key art out of it.

Adds a colour block filling one panel out to the bleed. Change its colour from the right-hand panel.

Top of the list is in front. Drag to reorder.