Free online HTML viewer and formatter. Paste HTML, see live preview, format and beautify code with syntax highlighting.
Free HTML viewer with live preview, syntax-highlighted code view, and format/beautify. Paste HTML and see it render instantly. No signup, no data uploaded.
Paste or type your HTML code into the input area on the left.
The right panel instantly shows how your HTML renders in a browser.
Click Format to beautify your HTML, then copy the formatted code to your clipboard.
It lets you paste HTML code and instantly see a live rendered preview of how it would look in a browser. You can also format and beautify your HTML code.
Yes, the HTML preview runs inside a sandboxed iframe. This prevents any CSS or JavaScript in your HTML from affecting the rest of the page.
No. All rendering and formatting happens entirely in your browser. Your HTML code never leaves your device.
Yes, the HTML Viewer is 100% free with no limits on how much HTML you can preview or format. There are no hidden fees.
No. You can preview and format HTML instantly without signing up or creating any account.
Yes, the tool is fully responsive and works on smartphones and tablets. Paste HTML and preview it directly from your mobile browser.