Mockup Alpha Mask Generator
Generate free alpha masks from images using edge detection.
Upload an image
Upload an image and click on areas to automatically detect frames and generate a PNG mask. Perfect for creating masks for mockups and templates.
Image Editor
Upload an image to get started
Click or drag an image here to upload
Supports PNG, JPG, and other image formats
Mask Preview
Preview of the generated PNG mask
Upload an image to start
The mask preview will appear here
How to use:
- Upload an image using the left panel
- Adjust the threshold slider to fine-tune edge detection
- Click on areas of the image you want to include in the mask
- Each click adds a new area (you can add multiple areas)
- Use "Remove Last" or "Clear All" to adjust selections
- Preview updates automatically as you select areas