# AI Prompt Refiner & Midjourney/ChatGPT Enhancer > Transform vague prompts into highly structured, detailed prompts for ChatGPT, Claude, and Midjourney. - **Category / Silo**: ai - **Free Access**: Yes (No credit card required) ## Tool Description Transform vague prompts into highly structured, detailed prompts for ChatGPT, Claude, and Midjourney. ## Key Steps & Implementation 1. **Paste Simple Idea**: Input rough prompt (e.g., "write a sales email"). 2. **Select Target Model**: Choose ChatGPT, Claude, or Midjourney. 3. **Copy Enhanced Prompt**: Copy structured master prompt. ## Key Benefits - Role & Context Framing - Constraint Enforcement - Multi-Model Presets - Free Usage --- URL: https://cacto.cc/tools/ai/prompt-improver