HTML Viewer
Use this free online HTML Viewer to write or paste HTML and see a live rendered preview. It works instantly in your browser, and your data never leaves your device.
About the HTML Viewer
An HTML viewer renders your code in a sandboxed frame as you type, so you can test snippets, email templates or page sections without creating a file. You can also open any .html file from your device.
Also known as: html viewer online, online html viewer, html online viewer, html preview, html reader, html code viewer, source code viewer.
How to use the HTML Viewer
- Paste or type your code into the editor, or click Upload to open a file.
- The preview renders live as you type.
- Use Copy or Download to save your work.
Features
- Free with no signup and no daily limits
- Private: runs entirely in your browser
- Works on mobile, tablet and desktop
- Upload files and download results
- Live results as you type, with clear error messages
- Clean, fast interface with no popups
Frequently asked questions
Is the HTML Viewer free to use?
Yes. The HTML Viewer is completely free with no signup, no limits on normal use and no watermark.
Is my data safe?
Yes. Everything is processed by JavaScript inside your own browser. Your text is never uploaded to our server or stored anywhere.
Can I choose the indentation?
Yes. Pick 2 spaces, 4 spaces or tabs from the options, and the output updates instantly.
Does it work offline and on mobile?
Once the page has loaded, the tool runs in your browser and works on phones, tablets and desktops.
What else is this tool called?
People also search for it as html viewer online, online html viewer, html online viewer, html preview. It is the same free tool.