Convert PNG to BMP
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Most of the time you'd convert away from BMP, not to it — but some older or specialized software, embedded systems, and certain industrial or scientific tools specifically require an uncompressed BMP. This converts your PNG into a standard 32-bit BMP, with transparency preserved, for exactly those cases.
When you'd want BMP
- Legacy software that only reads BMP.
- An embedded or industrial system with a fixed BMP requirement.
- A workflow that needs raw, uncompressed pixels as input.
About the file size
BMP is uncompressed, so the result is much larger than the PNG. That's inherent to the format — and it's the point, for the systems that need raw pixels.
What gets left behind
A standard BMP stores pixels and nothing else, so anything a PNG can carry alongside the image — a color profile, embedded text chunks, gamma information — is dropped. The visible image is kept exactly (transparency included, in 32-bit BMP); it's only that extra data that doesn't travel.
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Frequently asked questions
- Does transparency survive the conversion?
- Yes. The conversion writes a 32-bit BMP with an alpha channel, so a transparent PNG stays transparent.
- Why would I convert to BMP?
- Almost always because a specific program or device requires it. For general use, PNG or WebP is the better choice.
- Does it keep transparency?
- Yes. The conversion writes a 32-bit BMP with an alpha channel, so transparency is preserved.
- Why is the BMP so big?
- It's uncompressed by design — every pixel is stored raw, which is exactly what the systems requiring BMP expect.