Free Online HTML, CSS & JS Code Editor with Live Preview
Write, edit, format, and preview HTML, CSS, and JavaScript in real-time. ToolMaster provides a lightweight, fast, and secure frontend code playground.
Features of the Live HTML CSS Editor
- Real-time Live Preview: Instantly see changes as you type.
- Code Formatting: Clean up and beautify HTML, CSS, and JS code with Prettier.
- ZIP Project Downloader: Export your files into a single project zip folder.
- Dark & Light Themes: Swap themes easily to suit your coding environment.
- Fully Private & Client-side: Your code runs strictly in your browser. No server uploads.
How to Use the Online Code Editor
- Select index.html, style.css, or script.js from the tabs.
- Start writing code. The live preview on the right will update immediately.
- Click the "Format" button to clean up your code structure.
- Click the "ZIP" button to download your project files locally.
- Click "Fullscreen" to maximize your workspace.
Frequently Asked Questions (FAQ)
What is the Online HTML, CSS, and JS Code Editor?
It is a free, interactive, browser-based playground by ToolMaster that allows developers, designers, and students to write, edit, and preview HTML, CSS, and JavaScript code in real-time with zero server uploads.
Is my code safe in this HTML CSS editor?
Yes, the code editor runs entirely client-side. Your code is processed locally in your browser and is never uploaded to any servers, ensuring 100% privacy and security.
Can I format my code and download it?
Yes! You can automatically format your HTML, CSS, and JS code using the Prettier integration, and download your entire project files packed in a ZIP file with one click.
Is this code editor a free alternative to JSFiddle and CodePen?
Yes, it offers a fully featured workspace similar to JSFiddle, JSBin, and CodePen for quick front-end prototyping, completely free of charge and without any account sign-up requirements.