Free tool
Transparency Checker
Detect alpha transparency in PNG and WebP images.
Alpha detectionInstantNo uploads
Why it helps
Verify alpha
Confirm transparency before publishing or exporting.
Fast results
Analyze pixels locally for privacy.
Alpha
Transparency checker
PNG + WebP
Drag and drop your files here, or use the button to select files.
FAQ
Quick answers about this tool.
Is this private?
Yes. All processing happens in your browser.
Do I need an account?
No. These tools are free and work without signup.
Can I use multiple files?
Yes. Most tools support batch processing.