A prompt generator that keeps your meaning

Start with a rough idea. PromptVault builds a clear prompt formatted for the model you pick, without padding it with fluff.

Is this AI prompt generator free?
Yes. You can generate and improve prompts without signing up.
Which AI models does it support?
ChatGPT, Claude, Gemini, DeepSeek, Midjourney, Flux, Runway and Lovable, with tips for compatible models.
Can I start from voice or an image?
Yes. Type, talk into the mic, or add a screenshot or photo.