Preview & Testing
Preview Overview
How to preview and test your apps in VULK.
Preview Overview
Live Preview
Your app previews in real-time as it's generated.
Features
- Hot reload - Changes appear instantly
- Responsive testing - Toggle mobile/desktop views
- Interactive - Click, scroll, test forms
Preview Panel
Located in the center of the interface. Shows your app running in an iframe.
Mobile Preview
Click the device icon to switch between:
- Desktop view
- Tablet view
- Mobile view
Opening in New Tab
Click "Open in new tab" to test in full browser window.
Limitations
- Some browser features may differ from production
- External APIs may need CORS configuration
- Authentication flows may behave differently