PromptHero

AI prompt optimization tool to improve your prompts with scoring and suggestions

PromptHero (Beta) — Optimize your prompts in one click ✨ Paste any prompt, see a clear score (0–100) with short reasons, then generate an improved version you can copy instantly. Works with any AI tool. 🚀 Key Features • ⚡ Instant scoring — objective 0–100 score plus the top issues and suggestions • 🛠️ One-click improvement — rewrites your prompt to be clear, structured, and task-ready • 📋 Copy & go — copy the original or improved prompt with a single click • 🌙 Clean dark theme for focus 🧪 Beta (Early Access) PromptHero is in early access. Scoring and rewrite quality will keep improving, and your feedback will help us shape the tool. Some features may change as we refine the experience. 🔒 Privacy First • Your API key is stored locally in your browser • Prompts are sent securely to the Gemini API for processing • PromptHero does not collect, sell, or share your data 💡 Who It’s For • Prompt engineers • Developers • Students & researchers • Content creators • Anyone who wants faster, clearer, and more effective prompts