What is HTML Editor?
An online HTML Editor lets you write, edit, and preview HTML code in real time. It combines a full-featured code editor with live preview—no need to save, refresh, or run a local server. See your changes instantly as you type.
Perfect for quick prototypes, learning HTML and CSS, editing snippets, or testing ideas. The editor includes syntax highlighting, indentation support, and line numbers. It sanitizes content for safety, removing scripts and dangerous elements so you can preview HTML from untrusted sources without risk.
Export your work as cleaned HTML or as a PDF snapshot of the rendered output. Works in all modern browsers—Chrome, Firefox, Safari, Edge—with no installation or signup required.
How to Use HTML Editor
- Edit HTML in the editor: Type or paste HTML in the left panel. The editor supports syntax highlighting, auto-indentation, and common shortcuts. Changes appear in the live preview instantly—no refresh needed.
- Add CSS for styling: Include <style> tags in your HTML or link external stylesheets. The preview panel renders your HTML with full CSS support including flexbox, grid, and responsive layouts.
- Preview in real time: The right panel shows a live render of your HTML. Resize the panels or toggle layout for more space. The preview updates automatically as you edit.
- Export or download: Copy the HTML to clipboard, download it as a file, or export the rendered view as a PDF for sharing or archiving.
No signup required. Works on desktop and mobile.
Frequently Asked Questions
Is it safe to edit HTML with this editor?
Yes. The editor sanitizes content before preview, removing dangerous elements like <script>, event handlers, and unsafe iframes. This protects you when pasting HTML from external sources. Your exported HTML is cleaned for safe use.
Can I preview responsive layouts?
Yes. The live preview renders your HTML with full CSS support. You can test media queries and responsive design. Consider resizing your browser window to simulate different screen sizes.
Does it support JavaScript?
The preview runs in a sandbox for security, so JavaScript is not executed during preview. For full JavaScript support, use a local development environment. The tool excels at HTML/CSS editing and quick mockups.
Is the HTML editor free?
Yes, completely free with no limits. No registration, no subscription, and no usage caps. Use it as often as you need.