Convert PNG to BMP Online Free
Some legacy Windows software, embedded displays, sign-making tools and lab instruments still require an uncompressed BMP. This page converts your PNG straight to that format without installing anything.
Expect the output to be considerably larger than the PNG — that is inherent to BMP, which stores pixels without compression.
Your file never leaves your browser. All processing happens on your device. Nothing is uploaded to any server.
What you can use it for
- Feeding images to legacy Windows or industrial software
- Preparing bitmaps for embedded screens and signage hardware
- Meeting a specification that explicitly demands BMP
Other conversions
Need a different format, a quality slider or batch conversion? Use the image converter.
Frequently asked questions
BMP does not compress. A PNG that is a few hundred KB can become several megabytes as a BMP — that is expected, not a fault.
No. The BMP output here is flattened, so transparent areas are rendered against a solid background.
No. Conversion runs entirely in your browser.
Explore more free tools
Every category runs free in your browser — nothing is uploaded.