One quick setup step and you're ready to generate professional AI image prompts in seconds. No design experience needed.
1
Get a free Anthropic API key at https://platform.claude.com — you only pay for what you use (typically cents per session).
2
Click ⚙️ Settings in the top right, paste your key, and hit Save. Your key stays in your browser — it never leaves your device.
3
Type what you want to create below, hit Generate prompt → and you're off!
Describe what you want to create. Or click one of the examples below to see how it works.
Plain English is fine — Claude handles the prompt engineering · Cmd/Ctrl+Enter to generate
⚙️ Settings
API key & model.
Prompt Stormer AI uses Claude to engineer your prompts. You'll need a free Anthropic API key — you pay Anthropic directly, typically a few cents per session.
Don't have one? Get it free at https://platform.claude.com.
Your private key is stored locally in your browser only.