Wou AI is a browser extension that brings an AI assistant powered by GPT-4 to any text field across the web. It helps users compose emails, craft ads, translate content, and revamp websites directly within platforms like WordPress or Shopify. The tool offers customizable keyboard commands, AI output personalization, and the ability to feed the bot data (e.g., a website URL or PDF) for more relevant answers. It supports multiple languages and can be used in Gmail, ad dashboards, or any input field. The extension is available in a free plan with 5 daily uses or an unlimited plan for $9.90/month.