Online HTML Editor and Live Preview
Write HTML code with syntax highlighting and see live results instantly. Perfect for testing snippets, embedding widgets, and saving directly to your notes.
Why Use NoteRich HTML Editor?
Real-Time Dual Screen Preview
Write code on the left and see the rendered result on the right instantly. Powered by CodeMirror, the editor provides excellent syntax highlighting, auto-tag closing, and a smooth coding experience.
Flexible Layout and Fullscreen
Drag the dividers to adjust the width and height of the panels. Toggle auto-height to let the preview grow automatically based on your content. Need more space? Click the fullscreen button for an immersive preview experience.
Secure Sandbox Environment
The preview runs inside a sandboxed iframe, allowing JavaScript execution while keeping your main application safe. Test complex HTML structures, CSS styles, and interactive scripts without risking your browser security.