Tool capabilities
- Input
- HTML · CSS
- Output
- HTML
- File formats
- .html · .htm
How to use HTML & CSS Playground
Build a page with a safe, local HTML and CSS preview. This html & css playground works directly in your browser and is free to use without an account.
- Edit the source in the syntax editor.
- Inspect the local preview as you work.
- Download your source or rendered document to keep it.
HTML & CSS Playground · Example
Input
<h1>Hello</h1>
/* CSS */ h1 { color: #5265d8; }Output
A heading reading “Hello” in the chosen CSS color.
HTML and CSS render inside a sandbox; scripts and external resources are blocked.
Usage notes
Inputs and results are processed on this device. Tool content is not sent to a processing server.
The preview blocks scripts and external resources. Source links opened outside the application are a separate action.