BMP files are uncompressed and enormous, but you may not want the loss that JPG brings to screenshots and line art. This BMP to PNG converter keeps the picture lossless and shrinks the file in your browser.
Convert BMP to PNG
Add your BMP files, check the settings and download them as PNG. Batch conversion, no sign-up and no watermark.
Lossless shrinking
PNG compresses without losing a single pixel, so a BMP screenshot or drawing becomes a much smaller PNG that looks identical. This makes PNG the safest replacement for BMP when the image has text, sharp edges or flat color areas.
Convert BMP to PNG
- Add BMP files with drag and drop or “Choose files”.
- Keep PNG selected under “Convert to”.
- Use “Max width (optional)” if you also want to resize.
- Download each PNG or all through “Download all (ZIP)”.
Typical BMP sources
- Screenshots saved by older Windows tools.
- Scans or images exported by legacy business software.
- Icons and sprites from old projects.
- Images from industrial cameras and embedded displays.
| Feature | BMP | PNG |
|---|---|---|
| File size | Very large | Much smaller |
| Quality | Uncompressed | Lossless |
| Transparency | Limited | Supported |
| Animation | Not supported | Not supported |
| Compatibility | Windows, legacy tools | Almost everything |
| Best for | Raw pixel data | Screenshots, graphics, editing |
PNG or JPG for BMP photos?
For photographs, BMP to JPG gives a far smaller file. For screenshots and text, PNG avoids blur and still saves a great deal of space.
Troubleshooting
The PNG is still big
Large photographic BMP files stay big as PNG. Use JPG or resize.
The file will not load
Rare BMP variants may not be supported. Re-save in an editor as a standard BMP.
Colors look different
Check the original in another viewer.
Private
Files are converted in your browser and not uploaded. No account and no watermark.
Is BMP to PNG lossless?
Yes. PNG keeps every pixel.
How much smaller is PNG?
Usually much smaller, but the saving depends on the image.
Is PNG or JPG better?
PNG for text and graphics, JPG for photographs.
Can I convert many BMP files at once?
Yes. Add a batch and download a ZIP.
Is it free?
Yes, with no sign-up and no watermark.
Related converters
See BMP to JPG, PNG to JPG, TIFF to PNG and the main image converter.