BMP to PNG converter
To convert BMP to PNG, drop your BMP file in the box below. It converts straight away; press Download to save the PNG. It all happens in your browser, so your file stays on your device.
Convert to
Converted on this device, never uploaded
What changes
| BMP to PNG | What happens |
|---|---|
| Quality | Kept exactly: PNG is lossless |
| Size | Much smaller; screenshots and drawings shrink the most |
| Transparency | Kept, for 32-bit BMPs that have it |
| Colours | All kept |
| Metadata | Removed |
How to convert BMP to PNG
- Add your BMP. Drop the file in the box, or click to choose it. It becomes PNG straight away.
- Check the result. Look at the preview and the size. Change quality or size if you like; the file is made again as you go.
- Download. Press Download to save the PNG.
Why PNG
PNG keeps every pixel of the BMP exactly, but compresses it, often to a fraction of the size. Every app and website takes it.
Questions
Yes. Every pixel is kept; only the way it is stored changes.
Screenshots and drawings often shrink by 90% or more; photos less, often around half.
PNG for screenshots, drawings and anything with text; JPG for photos, where it is much smaller.
No. The conversion happens right in your browser, so your file stays on your device. There is no account to make, either.