Convert JPG to BMP
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Converting a JPG to BMP is something you do for a specific reason: a piece of software or a device that only accepts uncompressed bitmaps. This turns your JPG into a standard 32-bit BMP those systems can read, with no compression in the way.
When you'd want BMP
- Legacy or industrial software that requires BMP input.
- An embedded display or device expecting raw bitmaps.
- A processing step that needs uncompressed pixels.
What to expect
The BMP will be much larger than the JPG, since it stores every pixel uncompressed. And the JPG's existing compression can't be undone — BMP just stops any further loss, it doesn't restore detail.
If PNG is accepted, prefer it
BMP is the right answer only when nothing else will do. PNG holds the very same pixels losslessly at a small fraction of the size, so if the program or device can read PNG at all, that's the better file to hand it. Reach for BMP only when BMP is specifically required.
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Frequently asked questions
- Should I use BMP or PNG for old software?
- If the software accepts PNG, use PNG — it's the same quality, far smaller. Only choose BMP when the tool or device explicitly needs an uncompressed bitmap.
- Why convert JPG to BMP?
- Only when something specifically needs an uncompressed BMP. Otherwise it just makes the file much bigger with no quality gain.
- Will it look better than the JPG?
- No — it can't recover detail the JPG already lost. It stores exactly what's there, just without compression.
- Why is the file so large?
- BMP is uncompressed, so files are big by nature — every pixel is written out in full.