According to AlphaMoat, as of 2026-08, the Chrome extension ChatGPT UI Preview has 69 users (+32.7% MoM), rated 4.7 (3 reviews) — ranked #4,750 of 9,793 AI browser extensions, and #296 of 640 in Programming.
What is ChatGPT UI Preview
ChatGPT UI Preview renders the HTML, CSS, and JavaScript code blocks that appear in a ChatGPT conversation so the result can be seen without leaving the chat. Previews sit directly below the relevant code block, and the extension detects new snippets as they are shared and updates the preview automatically, so there is no manual refresh. The appearance can be styled to your preference, and the listing also mentions CodePen integration. The developer positions it for anyone discussing web development inside ChatGPT, from beginners to experienced developers, who would otherwise be switching between tools. Rendering happens in the browser and the extension generates no code itself.
Live previews. HTML, CSS, JavaScript. Automatic updates. Below the code block. Custom styling. CodePen integration.
Show full Chrome Web Store description▾
Introducing ChatGPT UI Preview! Now, seamlessly view your HTML, CSS, or JS code results right in the ChatGPT sidebar 🌟ChatGPT UI Preview🌟
The ChatGPT UI Preview (ChatGPT HTML CSS JS Preview) View extension is a revolutionary browser add-on designed to elevate your ChatGPT experience to new heights! 🚀 It seamlessly integrates with the chat interface, bringing your code snippets to life with live previews of HTML, CSS, and JavaScript. Say goodbye to the hassle of switching between tools and hello to a smoother web development workflow! 🎉
✨ Exciting Features ✨
1. 🎥 Live Code Previews: Witness your code in action! Our extension dynamically renders HTML, CSS, and JavaScript code blocks in real-time, providing you with an instant visual representation of your work. 🎨
2. 🧩 Seamless Integration: Our extension blends seamlessly with the ChatGPT interface, ensuring a fluid and intuitive user experience. Code previews are displayed directly below the relevant code blocks, making it effortless to follow along with the conversation. 😊
3. 🔄 Automatic Updates: No more manual refreshes! Our extension automatically detects and updates code previews as new snippets are shared in the chat. Stay up-to-date with the latest view of the code without any effort. 🎯
4. 💅 Customizable Appearance: Enjoy a sleek and modern design that complements the ChatGPT interface perfectly. Code previews are presented in a visually appealing manner, and you can even tailor the styles to match your preferences. 🎨
🌟 What Sets Us Apart 🌟
The ChatGPT HTML Web View extension stands out from the crowd! 🏆 With its seamless integration, real-time updates, and CodePen integration, it offers an unparalleled coding experience within the ChatGPT environment. Say farewell to the complexity of managing multiple tools and embrace a streamlined workflow that empowers you like never before! 🦸♂️🦸♀️
Whether you're new to coding or a seasoned professional, our extension will transform the way you discuss and collaborate on web development projects. Boost your productivity by engaging in interactive coding discussions, where you can see results instantly and share your creations effortlessly. 🌠
🚀 Getting Started Is Easy 🚀
Ready to embark on this coding adventure? Installing the ChatGPT HTML Web View extension is a breeze! 🍰 Simply visit the Chrome Web Store or Firefox Add-ons repository, click install, and you're all set! The extension will spring into action, automatically rendering code previews in your ChatGPT conversations. Customize the settings according to your preferences and get ready to experience ChatGPT in a whole new light! 🎉
Don't miss out on this groundbreaking extension! Install it now and unlock a world of interactive and efficient coding within ChatGPT. Happy coding! 💻✨
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+ CompareData month: 2026-08 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.