▧ Image tools

Convert BMP to PNG

Convert a BMP bitmap to PNG while keeping decoded transparent pixels where available.

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This tool runs in your browser. Selected files are not sent to our server.

How to use it

Choose one BMP image.
Create the PNG.
Download and inspect the result.

What to know

PNG can be larger or smaller depending on the image. Transparency is retained only when the browser decodes it from the BMP. Maximum 20 MB, 20 megapixels, 8192 px per side.

Frequently asked questions

Will it retain transparency?

If the browser reads transparency from the BMP, the PNG keeps it.

Is the BMP uploaded?

No. Conversion is local.