Batch Extract Alpha Channel
Extract and visualize the alpha channel of your PNGs. Separate transparent, translucent, and opaque areas with custom colors.
Drop your PNGs here
Supports PNG, WebP, AVIF. Process multiple files at once.
Try with Examples
Loaded Gallery
Editor Studio
Image List
| Preview | Image Info | Original | Status | Action |
|---|
Interactive Editor
Extraction Settings
All pixels where alpha is 0
All pixels where alpha is 0 to 1
Keep original transparency level for translucent pixels.
All pixels where alpha is 1
Visual Analysis
Instantly visualize transparency levels. Identify transparent, translucent, and opaque areas with custom color mapping.
Batch Extraction
Process unlimited PNG files simultaneously. Extract alpha channels from multiple images in one go.
Private & Secure
All processing happens locally in your browser. Your images never leave your device or touch our servers.
How to Extract Alpha Channel
Upload PNGs
Drag and drop your PNG images into the tool. We support batch processing for efficiency.
Configure Colors
Choose colors to represent transparent, translucent, and opaque areas. Toggle "Preserve True Transparency" if needed.
Download Result
Preview the extracted alpha mask and download your images individually or as a ZIP archive.
Frequently Asked Questions
What is an Alpha Channel?
The alpha channel is a component of an image that stores transparency information. It determines how opaque or transparent each pixel is, allowing for complex compositing and background removal.
Why extract the alpha channel?
Extracting the alpha channel is useful for creating masks, debugging transparency issues, or separating the transparency data for use in game engines and 3D rendering software.
Is my data secure?
Yes, completely. This tool runs entirely in your browser using JavaScript. Your images are never uploaded to any server, ensuring 100% privacy.