HTML Live Preview
Edit HTML code and see real-time rendered preview. Perfect for testing snippets, quick prototyping, and debugging.
How to Use Live Preview
Step 1: Load Sample (Optional)
Click "Sample" to load a basic HTML template with styling, or start with your own code.
Step 2: Edit HTML on the Left
Type or paste your HTML code in the left panel. Include CSS inside <style> tags if needed.
Step 3: View Real-Time Preview
The right panel shows the rendered output. It updates as you type (with slight delay).
Step 4: Refresh if Needed
Click "Refresh Preview" to force an update if the preview doesn't update automatically.
Step 5: Test and Debug
Test your HTML, CSS, and JavaScript. Fix issues based on the preview results.
Frequently Asked Questions
Can I use CSS in the preview?
Yes, include <style> tags with your CSS code. It will be applied in the preview.
Can I use JavaScript?
Yes, include <script> tags. JavaScript will run in the preview sandbox.
Are external resources allowed?
You can link to external CSS and JavaScript files with <link> and <script> tags, but not all external resources may work.
Is the preview sandboxed?
Yes, the preview runs in a sandboxed iframe for security. Scripts can't access your computer or other sites.
Can I test responsive design?
Yes, you can use CSS media queries. The preview will respond to different viewport sizes.
What about iframes in HTML?
Iframes are supported within the sandbox restrictions. External iframes may not load due to security.
Can I preview dynamic content?
Yes, you can include JavaScript that dynamically generates content. It will render in the preview.
Is this like JSFiddle or CodePen?
Similar idea, but simpler. This is designed specifically for quick HTML testing without creating accounts.
Can I save my code?
This tool doesn't have save functionality. Copy your code and save it locally to your computer.
Is my code private?
Yes, all processing happens in your browser. Your code is never sent to any server and is completely private.
About Live HTML Preview
Live HTML preview is essential for web development:
- Quick Testing: Test HTML snippets without creating files
- Real-Time Feedback: See changes instantly as you code
- Debugging: Identify visual and functional issues quickly
- Learning: Experiment and learn HTML, CSS, and JavaScript
- Prototyping: Create quick prototypes and mockups
- Component Testing: Test UI components in isolation
- Responsive Testing: Check how designs look at different sizes
- No Setup Required: Start coding immediately without setup