No file uploads · 100% free

Convert BMP to PNG

Convert BMP images to PNG for lossless quality with full transparency. PNG preserves transparency, so nothing is lost in the switch. It happens entirely in your browser, so your images never leave your device. There are no uploads, no watermarks and no limits.

How to convert BMP to PNG

  1. Drop one or many BMP images into the tool below.
  2. The output format is already set to PNG. Adjust the quality if you like.
  3. Click run to convert.
  4. Download each PNG, or grab them all as a ZIP.

Frequently asked questions

Is my BMP uploaded to convert it?

No. Conversion runs locally in your browser, so your images never leave your device. It even works offline.

Does converting to PNG reduce quality?

PNG keeps transparency and you control the quality, so you can convert without visible loss.

Can I convert many BMP files at once?

Yes. Drop a whole batch and download the converted images together as a ZIP.

Your files never leave your device

Every tool on Squishly Tools is 100% free and runs entirely inside your browser. Your images and documents are processed on your own computer and are never uploaded to a server. There are no accounts, no watermarks and no catch.