How to use BMP to PNG Converter
- Drop one or more BMP files into the box, or click to choose them.
- Adjust the options that appear, such as quality or background color.
- Download each PNG file, or all of them at once as a ZIP.
About this tool
BMP is an old uncompressed bitmap format that produces large files but is read by almost any program. PNG is a lossless format with full transparency support. Choosing between them depends on where the image will be used: BMP is common for legacy Windows software and simple pixel data, while PNG suits logos, screenshots, icons and graphics with sharp edges.
PNG is lossless, so the image keeps its exact pixels.
The conversion uses your browser's own image engine, so nothing is uploaded and there is no file size limit beyond your device's memory. Very large images over 100 megapixels are refused to avoid freezing the page.
Frequently Asked Questions
- Will I lose quality converting BMP to PNG?
- No further loss is introduced by PNG itself.
- Is transparency kept?
- BMP has no transparency, so there is none to keep.
- Are my images uploaded to a server?
- No. The conversion runs entirely in your browser and the files never leave your device.
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