Prompt Optimizer

Free on ChatGPT, no account needed. Rewrite prompts for clarity, specificity, and structure inline. One keyboard shortcut.

Write prompts that actually work. Prompt Optimizer rewrites your draft for clarity, specificity, and structure, inline, on the AI chat site you're already using. ✦ Works where you already chat The extension adds an Optimize action to your AI chat input on major AI sites. One extension, every supported site. No copy-paste, no leaving the page. ✦ One keyboard shortcut Cmd+Shift+O (Mac) or Ctrl+Shift+O (Windows / Linux). Optimize whatever you've typed in the chat input without leaving the page. ✦ See exactly what changed A clean diff popover shows the original next to the optimized version. Keep the new one or stick with yours, your call. ✦ Free tier on the main AI chat site Anyone can install and use it for free on the most popular AI chat platform. ✦ Pro unlocks everything else Pro users get the extension across additional AI chat sites, an unlimited cloud library that syncs across devices, custom personas (reusable system prompts you can apply on every optimize), folders and tags, premium templates, exports as PDF/Markdown/Text/JSON, and public share links. Built by an indie developer who got tired of writing the same "act as a senior X, here's my actual question" preamble fifty times a day. → Web app and pricing: https://promptoptimizer.tools → Privacy policy: https://promptoptimizer.tools/privacy