Convert BMP to PNG Online
BMP is a common format worth converting when a tool like this doesn’t accept it directly. Converting to PNG happens instantly, right in your browser. PNG is lossless and supports transparency — larger file size, no quality trade-off.
Why Convert BMP to PNG
BMP files are common from older Windows software and some screenshot tools, but they’re rarely the right format to share or publish. Converting to PNG gets you lossless quality with full transparency support — done instantly, for free, without installing anything or creating an account.
BMP vs PNG: Technical Specs
Quick verdict: Pick BMP for legacy Windows applications, PNG for logos, screenshots, graphics needing transparency.
.bmp.pngimage/bmpimage/pngHow It Works & Privacy Guarantee
Converting your BMP file to PNG happens in three steps, entirely on your device: your browser reads the BMP file into memory, decodes and re-encodes it as PNG 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 to PNG FAQ
What should I know about converting to PNG?
PNG is lossless and supports transparency — larger file size, no quality trade-off.
Will converting BMP to PNG reduce quality?
We decode the original BMP data and re-encode it at high quality, so any difference is minimal to the eye for normal use.
How do I convert BMP to PNG for free?
Drop your BMP file into the box above and press Convert — the PNG download is ready in seconds, with no account, no watermark, and no limit on how many files you convert.
Can I convert multiple BMP files to PNG at once?
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.