Paste HTML, see it live.
Write or paste HTML on the left and watch it render instantly on the right. Format the code, copy it, or download a ready .html file. Everything runs in your browser — nothing is uploaded.
Preview runs in a sandboxed frame on a separate origin — safe to test any snippet.
What is this HTML viewer?
This free online HTML viewer lets you paste or write HTML and instantly see how it renders in a real browser — no setup, no account, nothing uploaded to a server. It is perfect for quickly testing a snippet, previewing an email template, checking how markup looks, or learning HTML and CSS with live feedback.
How to use it
- Paste your HTML into the editor on the left (or click Paste).
- The right side renders it live as you type.
- Click Format to clean up and indent the code.
- Use Copy or Download to save your
.htmlfile.
Frequently asked questions
Is my HTML uploaded anywhere?+
No. Everything happens locally in your browser — the code never leaves your device.
Will CSS and JavaScript run in the preview?+
Yes. Inline CSS, <style>, and <script> all run inside a sandboxed frame, so you see a true render while staying safe.
Can I download the result?+
Yes — click Download to save your code as a document.html file you can open or host anywhere.
Is it free?+
Completely free, with no sign-up, no watermark, and no limits.