PosterAI — AI-Powered Design Engine

StudioKeystone (keystone)

Initializing canvas…

Locked — enter the admin password to edit & save

Image

✓ using your uploaded image

Overflow stress-test

Inject very long text

Checks the auto-fit guards — text should shrink/clamp, never overlap.

Colours & button

Typography

Headline font

Abc — The Royals

Bundled fonts you can use anywhere. Each template ships a default that fits its mood (formula below).

Text

HeadlineTaglinePrice labelPrice valueButton textCaption

Saves into theme-overrides.json — commit it to ship. (Works on local dev only.)

PosterAI — AI-Powered Design Engine