View web pages in resizable viewports to test mobile layouts. See pre-rendered source code and structured node lists for debugging. Adjust scale factors to simulate different device sizes.
Edit with syntax highlighting for multiple languages including C, C++, HTML, JavaScript, and PHP. Navigate project files with a file explorer. Use dark mode for reduced eye strain. Add comments with keyboard shortcuts.
Debug websites by checking online status and CMS/technology. Validate HTML and CSS for W3C compliance. Inspect elements, view DOM tree, and examine HTTP headers. Retrieve DNS records and Whois information.
