BMP to PNG Converter
Convert BMP images to PNG for much smaller file sizes with no quality loss. BMP is an uncompressed format that produces huge files — PNG gives you lossless quality at a fraction of the size. Upload up to 20 BMP files — free, no sign-up.
Use the tool — freeFeatures
How to BMP to PNG Converter
- 1Upload your BMP files by dragging them onto the page.
- 2Select PNG as the output format.
- 3Click Convert.
- 4Download your PNG files.
BMP (Bitmap) is one of the oldest image formats on Windows and stores image data with minimal or no compression, resulting in very large files. A BMP image that is 5 MB might become a 500 KB PNG with identical visual quality — a 90% reduction with zero quality loss. PNG uses lossless compression that reduces file size significantly without throwing away any image data. Converting BMP to PNG is a straightforward win: smaller files, universal compatibility, and no quality trade-off. Switch & Shrink handles the conversion quickly, and files are deleted from our servers after download or automatic expiry.
Frequently Asked Questions
Why are BMP files so large?
BMP stores raw pixel data with minimal compression. Each pixel is stored as full color information, resulting in very large files. PNG uses lossless compression to store the same information in much less space.
Is there any quality loss converting BMP to PNG?
No. PNG uses lossless compression, meaning zero quality is lost. Your PNG will look pixel-for-pixel identical to the BMP original.
Can I convert multiple BMP files at once?
Yes! Upload up to 20 BMP files and batch convert them all to PNG.