🛠️ How It Works

  1. Input HTML Code — Paste your HTML into the code editor on this page.
  2. Run the Code — Click the "Run HTML" button to execute it.
  3. Rendering Output — The tool displays the rendered result in the preview below — exactly as it would appear in a real browser.
  4. Instant Feedback — Edit your code and run again at any time for immediate results.
  5. User-Friendly — Designed for developers, students, or anyone wanting to test HTML snippets quickly without any setup.

This streamlined process lets you experiment with HTML without setting up a local environment or hosting any files.

✅ What You Can Test

The HTML Viewer supports standard HTML, inline CSS styling, and embedded JavaScript. Test layouts, buttons, forms, colors, animations, and any web component — all directly in the preview window.

❓ Frequently Asked Questions

What is the Online HTML Viewer?▼
It is a web-based tool that lets you input and test HTML code in real-time, displaying the rendered output instantly — no setup or installation required.
How do I use the Online HTML Viewer?▼
Paste your HTML code into the editor above and click "Run HTML". The rendered output will appear in the preview area instantly.
Can I test CSS and JavaScript as well?▼
Yes! Inline CSS and JavaScript inside your HTML will work in the preview. Note that external CDN resources may not always load as expected.
Is there a limit to the HTML code I can input?▼
There is no strict limit, but very large snippets may slow down rendering. For best results, test smaller sections of code at a time.
Do I need an internet connection?▼
Yes, you need an internet connection to load the page. Once loaded, the preview itself runs locally inside your browser.
Is my code saved after I close the tool?▼
No — the tool does not save your code. You will need to re-paste it each time. We recommend saving your work locally.
Can I share my HTML code with others?▼
You can copy and share your code by pasting it into a message or document. The tool does not have a built-in sharing feature.
Is the Online HTML Viewer free to use?▼
Yes, completely free. No registration, no payment, and no hidden charges.
What browsers work best with this tool?▼
The tool works with all modern browsers — Chrome, Firefox, Safari, and Edge. Keep your browser updated for the best experience.
Who can benefit from using the Online HTML Viewer?▼
Web developers, students learning HTML, educators, designers, and anyone experimenting with web design or coding will find this tool very useful.