HTML Viewer Tool
About the HTML Viewer Tool
The HTML Viewer Tool provides a fast, safe, and responsive environment to paste, edit, and preview HTML code in real-time. Designed for developers, designers, students, and content creators, this tool renders your HTML instantly in a sandboxed preview so you can prototype UI, test snippets, debug markup, or learn HTML without setting up a local server.
Key Features
- Live Preview: Updates instantly as you type — no extra clicks required.
- Responsive Layout: Two-panel editor + preview that stacks on mobile.
- Sandboxed Preview: Renders output inside a safe iframe to avoid interfering with the page.
- Monospace Editor: Clean, readable code area with vertical resizing.
- WordPress-ready: Works inside Custom HTML blocks or Elementor HTML widgets.
- Lightweight & Client-side: Runs fully in the browser — no server or account needed.
Common Uses
- Quickly prototype HTML snippets for webpages or components.
- Preview email-friendly HTML or landing page fragments.
- Teach or learn HTML with live visual feedback.
- Test embedded widgets, small JS examples, or CSS experiments.
- Validate markup and inspect rendering across device sizes.
How to Use the HTML Viewer Tool
- Paste or type your HTML code into the left-hand editor area.
- As you type, the right-hand preview will update automatically to show the rendered output.
- Resize the editor or preview panel vertically if you need more space for long code or results.
- To test external CSS or JS, include them with <link> or <script> tags in your snippet — remember the preview runs inside a sandboxed iframe.
- If you want to save or reuse snippets, copy the code from the editor and keep it in your editor or notes app.
Note: The preview runs in the browser and is sandboxed for safety. Avoid pasting sensitive data. This tool is intended for development, learning, and testing small snippets.