Convert BMP to PNG
Free, instant and private — your BMP files are converted right in your browser and never uploaded to a server.
How to convert BMP to PNG
- Step 01
Add your BMP files
Drop them into the box above or click to browse. You can add several files at once.
- Step 02
Conversion starts instantly
It runs in your browser using its built-in image engine — no upload, no queue, no waiting.
- Step 03
Download your PNG files
Save each file individually or grab them all at once. Done.
Why convert BMP to PNG?
BMP files are usually uncompressed — every pixel stored raw — so they're enormous. PNG stores exactly the same pixels losslessly at a fraction of the size, which makes this conversion pure win: an identical image in a far smaller, universally supported file.
BMP vs PNG at a glance
BMP is Windows' raw bitmap format — pixel data stored uncompressed, which makes files enormous. PNG is the lossless workhorse — pixel-perfect quality and full transparency support, accepted everywhere.
| Property | BMP | PNG |
|---|---|---|
| Extension | .bmp, .dib | .png |
| Full name | Bitmap Image File | Portable Network Graphics |
| First released | 1990 | 1996 |
| Developed by | Microsoft | PNG Development Group (W3C standard) |
| Compression | Lossless | Lossless |
| Transparency | No | Yes |
| Animation | No | No |
| Best for | raw uncompressed bitmaps from Windows apps | screenshots, logos, graphics with sharp edges or transparency |
BMP to PNG — frequently asked questions
Is this BMP to PNG converter really free?
Yes — completely free, with no sign-up, no watermarks and no daily limits.
Are my BMP files uploaded to a server?
No. The conversion happens entirely on your device using your browser's built-in image engine. Your BMP files never leave your computer or phone — which is also why the conversion is nearly instant.
Is any quality lost going from BMP to PNG?
None. Both formats are lossless, so the PNG contains pixel-for-pixel exactly what the BMP contained — just compressed far more efficiently.
Related conversions
- BMP to JPG
- BMP to PNG
- BMP to PDF
- BMP to WEBP
- BMP to AVIF
- BMP to HEIC
- BMP to GIF
- BMP to TIFF
- BMP to ICO
- BMP to PSD
Need the reverse? Convert PNG to BMPExplore the PNG converter