BMP to PNG

Convert BMP to PNG online for free — everything runs in your browser, files are never uploaded.

🔒 Lock All processing happens locally in your browser. Files never leave your device and there is no file-size limit.

How to use BMP to PNG

1. Upload: click the drop area or drag your files in — batch selection is supported.
2. Adjust options: pick the output format or page range; the defaults work out of the box.
3. Run and download: everything runs locally in your browser, then save the result.

Is BMP to PNG free?

Yes. BMP to PNG on Baizhuan is completely free with no usage limits and no account required.

Are my files uploaded to a server?

No. BMP to PNG runs entirely inside your browser, so your files never leave your device.

Do I need to install anything?

No. BMP to PNG works directly in the browser on Windows, macOS, Linux, Android and iOS.