Private by design
Remove Transparency from PNG
Replace transparent and semi-transparent areas with a solid background color. Download an opaque PNG at its original size.
Process as many images as you like, in batches of up to 20 to keep your device responsive.
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How it works
Choose your images
Select a file or drop several images into the tool. Nothing is uploaded.
Adjust your settings
Pick the settings that suit your image. Processing happens in your browser.
Save to your device
Preview the result and download each finished image. Your originals stay untouched.
Good questions. Simple answers.
Are my images uploaded?
No. Image processing runs entirely on your device. There are no image upload endpoints, accounts, or cloud processing.
Is there a usage limit?
There are no daily quotas or paid tiers. Available device memory limits image dimensions and batch size. Files are processed one at a time.
Does it work offline?
Yes, once the offline-ready indicator appears. The first visit downloads the tools and codecs. Your browser may clear offline storage when space is low.
What happens to animation and metadata?
These tools export still images. Animated inputs become a single frame. Camera metadata such as EXIF and GPS is not copied; color profiles may change.