Project, editor and workspace actions.
Files and template gallery
Build, preview, remix, import, and export complete frontend projects in one file.
Resize panels, switch tabs on mobile, copy snippets, and tune the font while you work.
Every edit renders inside an isolated iframe with desktop, tablet, and mobile modes.
Use Tools, the command palette, and keyboard shortcuts to stay in flow. Press Escape then Tab to leave the editor.
Load a polished starting point into the HTML, CSS, and JavaScript editors.
Type a command or select an action.
Manage extra HTML, CSS, and JavaScript files that compile into the preview and export.
Opt into CDN libraries for framework experiments, animation, charts, utility CSS, and 3D.
Create checkpoints, restore older work, and experiment without fear.
Review code health, network activity, storage, and runtime signals.
Local code actions for cleanup, explanation, responsive polish, and component generation.
Choose an action to improve or inspect the current project.
Press Escape then Tab to leave the editor. Command or Control plus Enter runs the project.