Code Playground
Live HTML/CSS/JS editor with instant preview — like CodePen, no account needed
About Code Playground
Write and run HTML, CSS, and JavaScript with instant live preview — like CodePen, no account needed, entirely in your browser.
How to use Code Playground
- 1Choose a starter template (Hello World, Flexbox, Animation, Canvas) or start blank.
- 2Write HTML in the first panel, CSS in the second, and JavaScript in the third.
- 3Enable 'Auto-run' to see changes instantly, or click 'Run' to manually trigger the preview.
- 4Toggle between vertical and horizontal layout to fit your screen.
- 5Copy the full HTML output or download it as a standalone HTML file.
Tips
- Use the Canvas template as a starting point for generative art or interactive visualizations.
- Disable auto-run when writing complex JavaScript to avoid errors during incomplete edits.
- The downloaded HTML file is self-contained — open it in any browser without a server.
OneKitTools TeamUpdated 2.21.4