Refrase — Prompt Optimizer

Optimize your AI prompts for any model. Right-click to adapt.

Refrase rewrites your prompts so AI models give you better responses — backed by research (+15.4% measured quality gain, p<0.01). WHAT IT DOES Paste any prompt. Refrase uses AI plus each target model's official documentation to rewrite your prompt for optimal output. Works all models. WHERE IT WORKS Right inside your favorite AI chat application. One click to enhance your prompt where you already work. HOW TO USE 1. Select text in any AI chat input 2. Right-click → "Enhance with Refrase" 3. Pick your target model (auto-detected based on the site) 4. Get a structured, specific prompt that produces better output OR — open the popup, paste any prompt, click Enhance. WHY IT MATTERS Most AI prompts are too vague. Refrase surfaces the implicit constraints you didn't type: tone, audience, format, structure. Your "write an email about a delay" becomes a fully specified prompt with context, requirements, and output format. PRICING 8-day free trial, then $8.88/month. Unlimited Quick enhancements, 30 Guided conversations/month. PRIVACY We don't store your prompts unless you explicitly save them. Tokens stored securely in your browser. Built on open research — read the methodology at refrase.cc/research/methodology.