About Code Playground
Code Playground by Digital Heroes is a free, private browser tool for writing and running HTML, CSS and JavaScript in real time. It gives you three separate editors, a live sandboxed preview, and a captured console that shows every console.log, warning, and error. Because everything runs entirely on your device, your code is never uploaded to a server. There is no sign-up, no account, and no usage limit.
Frequently asked questions
Is Code Playground free?
Yes. Code Playground is completely free for everyone, with no sign-up, no account, and no usage limits.
Is it private? Are my files uploaded anywhere?
No. Code Playground runs entirely in your browser on your own device. Your code never leaves your computer and nothing is uploaded to a server.
Does it work offline?
Yes. Once the page has loaded it keeps working offline. You can also install it as an app from your browser for quick access.
Do I need to install anything or create an account?
No. Just open the page and start writing code. Installing it as an app is optional and only adds offline convenience.
What does Code Playground do?
It gives you three editors for HTML, CSS and JavaScript, a live sandboxed preview, and a built-in console. You can run your code instantly, debug with logs, and download a self-contained .html file.