Choose how your writing answers are graded. Offline works instantly with no key and no internet. For real AI feedback for free, use Google Gemini (free key, no credit card). The key stays in your browser only.
Get a free key at pexels.com/api — it gives each word a matching photo (works for concrete words and feelings alike). Leave blank to show a clean letter card instead.
🖼️ Word images are served by the site server (the Pexels key lives on the server). Every account sees the same images, and no device needs to enter an image key.