BMP to PNG
Shrink heavy bitmaps into a modern format: convert BMP to PNG — lossless, with transparency. Batch conversion, no sign-up, files never leave your device.
Accepted: BMP · Max 200 MB per file
Processed on your device — nothing is uploaded.
How to convert BMP to PNG
Drop your BMP files above, or pick them from your device.
Adjust the quality if needed, then click Convert.
Download each PNG image, or all of them in a ZIP.
Conversion runs entirely in your browser: your images are never uploaded to a server.
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