Bytley

BMP to PNG Converter

Convert BMP images to PNG right in your browser. BMP is an uncompressed bitmap format that produces very large files, while PNG is a lossless format with transparency, ideal for graphics, logos and screenshots. Because everything runs on your own device, your files are never uploaded to a server — making this the private way to convert BMP to PNG.

Drop images here or click to browse

Files are converted on your device. Nothing is uploaded — no size limit.

How to convert BMP to PNG

  1. Drop your BMP file(s) into the box above, or click to browse.
  2. Choose PNG as the output format.
  3. Click “Convert to PNG” — conversion happens instantly on your device.
  4. Download your new PNG file. No watermark, no sign-up.

Frequently asked questions

Is this BMP to PNG converter free?

Yes. It is completely free with no sign-up, no watermark and no limits imposed by us. The only limit is your device's memory, since conversion runs locally.

Are my files uploaded anywhere?

No. Your BMP files are read and converted entirely inside your browser using JavaScript. They never leave your device or get sent to any server.

Can I convert multiple BMP files at once?

Yes. You can add several files and convert them in one batch. Each downloaded file keeps its original name with the new .png extension.

Will I lose quality converting BMP to PNG?

PNG is lossless, so no additional quality is lost during conversion.

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