Why is my export watermarked?

The watermark means you're on the free preview. Every tool lets you do the full job and download a watermarked version so you can inspect the result at full size — before spending anything. It's not a broken or lower-quality file; it's the real thing with a "PREVIEW" overlay.

To get the clean version, unlock the book — one payment, every tool — then export again. The overlay is gone and nothing else changes. See Can I see my cover before I pay?

If you've already paid and still see a watermark, see I paid, but the tool is still locked.