BMP to PNG converter
Convert large BMP files into PNG — same picture, far smaller file.
Files are converted inside your browser on this device; they are not sent to our servers.
How to convert BMP to PNG
- Drop your BMP files in the box or tap to choose them.
- Adjust the options if you need to.
- Press "Convert to PNG".
- Download each file, or all of them as a ZIP.
When it's useful
- Old scanner and Paint images
- Sharing bitmaps on WhatsApp or email
Limits to know
- Unusual BMP variants (for example 16-bit or compressed) may not open in every browser.
Your files
Processing happens in your browser. Your files stay on your device and are gone when you close the page.
Questions
Is quality lost?
No. PNG is lossless, so every pixel stays the same.
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