PNG / SVG / JPG, max 1 MB. SVG is rendered inline (no sanitization — internal use only).
5 reference images are pre-loaded for optimal character consistency. You can override any slot with your own image if you want a different look — but the defaults are tuned for the best results.
PNG / SVG / JPG / WebP, max 1 MB per slot. Stored in localStorage; sent per request only when you set them.
Security: API key lives in localStorage and is sent per request. Designed for personal / internal use — don't deploy publicly with key-in-browser.