PNG is a common format worth converting when a tool like this doesn’t accept it directly. Converting to BMP happens instantly, right in your browser. BMP stores pixels uncompressed — large files, but opens in essentially anything, including very old software.
PNGs are common from screenshots, design exports, and downloaded graphics — great for editing, but often larger and less convenient than needed for a final upload. Converting to BMP gets you guaranteed compatibility with very old or specialized software — done instantly, for free, without installing anything or creating an account.
Quick verdict: Pick PNG for logos, screenshots, graphics needing transparency, BMP for legacy Windows applications.
.png.bmpimage/pngimage/bmpConverting your PNG file to BMP happens in three steps, entirely on your device: your browser reads the PNG file into memory, decodes and re-encodes it as BMP using built-in browser technology (Canvas and WebAssembly), and hands you the finished file as a direct download.
At no point does the file get sent to a server. There’s no upload step to intercept, no account that could be breached, and nothing stored after you close the tab — the conversion simply couldn’t leak your file even if something went wrong, because it never left your browser in the first place.
BMP stores pixels uncompressed — large files, but opens in essentially anything, including very old software.
We decode the original PNG data and re-encode it at high quality, so any difference is minimal to the eye for normal use.
Drop your PNG file into the box above and press Convert — the BMP download is ready in seconds, with no account, no watermark, and no limit on how many files you convert.
Yes — drop in as many files as you need, convert them all in one go, and download everything together as a single ZIP instead of clicking download on each file individually.