DEVELOPER
App & Screenshot Mockup Studio
Transform ordinary UI screenshots into stunning, high-converting product mockups inside browser, laptop, and phone frames with rich 3D gradients and realistic drop shadows.
Layout & Dimensions
Canvas Padding48px
https://castov.com
Click to upload your screenshot
PNG, JPG, WebP supported
castov.com/app-mockup
High-Converting Screenshot Mockups
Present your software and web designs in realistic device frames with custom gradients and natural shadows, perfect for Product Hunt and Twitter announcements.
How to use this tool
- Upload your app screenshot.
- Select a device frame (Browser, Laptop, or Phone).
- Pick a gradient atmosphere and adjust canvas padding.
- Click Export High-Res PNG to download your graphic.