VIPromptAI's free Prompt Enhancer turns a rough idea into a ready-to-use, detailed AI prompt. Three modes — Image, Video and Text — structure your idea with subject, action, setting, lighting, camera and quality details (up to 20,000 characters), with one-click copy and regenerate. No signup and no cost; everything runs in your browser. Made by VIPromptAI, a free library of copy-paste AI prompts for ChatGPT, Gemini and Veo.