HTML Editor — Free Online HTML CSS JS Editor
Write HTML, CSS and JavaScript in separate tabs and watch the live preview update as you type. Run, download, copy or open your page in a new tab — everything happens in your browser and nothing is uploaded.
Autosaved in your browser as you type. Download combines the HTML, CSS and JS into a single .html file.
HTML Editor FAQ
Common questions about the free online HTML editor.
Yes. The editor is completely free with no sign-up, no watermark and no usage limits. Just open the page, write your code and download the result.
Your HTML, CSS and JavaScript are autosaved to your browser's local storage as you type, so a refresh or an accidental close will not lose your work. Clearing browser data will remove it.
It combines the HTML, CSS and JavaScript from all three tabs into a single self-contained .html file that you can open anywhere or upload to any web host.
The preview iframe runs with sandbox="allow-scripts", which isolates your page from the rest of the site. Scripts run normally, but the preview cannot interact with anything outside of it — a safety measure for your own experiments.
No. Everything runs entirely in your browser. The preview is rendered locally from a blob URL and your code never leaves your device.
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