BMP to PNG Converter
Create a lossless PNG copy of a BMP entirely on your device. PNG is broadly supported and can store transparency.
Drop an image here
Let’s make it just right.
BMP images 🔒 Processed locally — this file never leaves your device. Verify privacyHow to convert BMP to PNG
1
Choose a BMP image
Select one BMP file. It stays on your device.
2
Convert in your browser
The fixed converter creates a PNG without uploading the source.
3
Download the PNG
Check the preview and save the converted image directly to your device.
FORMAT DETAILS
What changes when converting BMP to PNG?
- The browser-decoded BMP pixels are saved with lossless PNG compression.
- Supported transparency is retained rather than flattened.
- The output keeps the BMP image’s original pixel dimensions.
WHEN IT HELPS
Common reasons to use this converter
- Replacing an older bitmap with a web-friendly lossless format
- Preparing BMP artwork for editing or transparent workflows
- Reducing file size without introducing JPEG artifacts
BMP to PNG questions
Is BMP to PNG lossless?
Yes. The decoded bitmap pixels are stored without lossy compression.
Will PNG be smaller than BMP?
It often is because PNG compresses pixel data, but the result depends on the image.
Can PNG preserve BMP transparency?
Yes, when transparency is present and decoded by the browser.