Original PNG
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BizSmartTools Browser Image Converter
Flatten transparent PNG images onto a chosen background color and export JPEG output locally with canvas.toDataURL.
🔒 100% Private Local Browser Processing: Your files and inputs never leave your device. All calculations, conversions, and asset compressions run entirely inside this tab.
The converter paints #FFFFFF across the canvas first, overlays the PNG, then exports canvas.toDataURL("image/jpeg", 0.92).
Original PNG
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JPG Output
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Size Delta
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Transparency is flattened against the selected fill color before conversion.
Upload a PNG to preview JPG output
Transparent areas will show the chosen background color after flattening.