Try out ideas, learn web design or test a snippet without installing anything. Type in the HTML, CSS and JavaScript boxes and the preview updates as you type. Your work is saved on this device and can be downloaded as a single .html file.
loading toolHow to use the playground
- Type or paste HTML, CSS and JavaScript in the three boxes.
- Watch the preview update (or press Run).
- Download the page as one .html file when you are happy.
Good to know
- Press Tab in a box to indent with two spaces.
Questions
Is it safe to run code here?
Yes. The preview runs in a sealed-off frame that cannot read this website, your cookies or other tabs.
Can I use libraries like Bootstrap?
Yes. Add their <link> or <script> tags from a CDN in the HTML box.
Is my data private?
Yes. Everything happens inside your own browser: nothing you type or choose is uploaded to us or anyone else.
Is it free?
Completely free, with no sign-up, no watermark and no limit on how many times you use it. Light ads keep the site running.
