Will the file size increase?

Yes, BMP files are uncompressed and typically 2-5x larger than PNG files.

What happens to PNG transparency?

Standard BMP does not support transparency. Transparent areas will be converted to a white background.

Is this converter free?

Completely free with no limits, no watermarks, and no sign-up required.

Can I convert back to PNG?

Yes! Use our BMP to PNG converter. Since BMP is uncompressed, the round-trip preserves full quality.

Convert PNG to BMP Free Online

Transform your PNG images to uncompressed BMP format. Private, instant, and free.

Drag & drop PNG files here

or click to browse · up to 50 files at once

About This Conversion

PNG to BMP conversion produces uncompressed bitmap images from your PNG files. While BMP files are larger, they are required by certain legacy applications, hardware, and specialized workflows. Our converter handles the transformation in your browser, ensuring your files remain private and the conversion is instant.

Why Use This Converter?

Legacy software support — Some older applications only accept BMP format.
Hardware requirements — Certain devices and embedded systems require BMP images.
Uncompressed data — BMP provides raw pixel data without any compression processing.
Simple format — BMP's simple structure is easy for custom applications to parse.
Specific workflows — Certain print and manufacturing processes require BMP input.