AI Polish - using OpenRouter.ai

AI-powered text polishing for any input field. Powered by OpenRouter.ai — use GPT, Claude, Gemini, and more.

AI Polish — your personal AI writing assistant that works everywhere in the browser. Focus on any text input, textarea, or contenteditable field, and a small purple button appears. Hover to open the polish panel, click Polish, and watch your text being refined in real-time with a smooth typing animation. FEATURES • Works everywhere — any text input, textarea, or contenteditable field on any website • Streaming output — text appears character by character with a spinning gradient cursor • Multiple languages — auto-detect input language, or choose: Chinese, English, Japanese • Undo support — one click to instantly revert to your original text • 5 built-in LLM models — Gemini 3 Flash, Gemini 3.1 Pro, Qwen 3.5, GPT-5.2, Claude Opus 4.6, or any custom OpenAI-compatible model • Custom prompts — built-in default prompt with full customization • API test — verify your API key and endpoint before polishing • Model info — auto-fetches context length and pricing from OpenRouter • Internationalized UI — English, 中文, 日本語, العربية, Deutsch HOW IT WORKS 1. Focus on any text input field on a web page 2. A purple pen button appears at the bottom-right corner 3. Hover over the button to reveal the polish panel 4. Select a target language (or leave on Auto) 5. Click Polish — text streams in with a typing animation 6. Click Undo to revert if needed SETUP 1. Click the extension icon → Open Settings 2. Enter your API key (get one free at openrouter.ai/keys) 3. Select a model and save 4. Start polishing! PRIVACY • Your text is sent only to the API endpoint you configure (default: OpenRouter) • No data is collected, stored, or shared by the extension itself • API key is stored locally in Chrome sync storage Open source: https://github.com/yudshj/ai-polish-chrome