Convert BMP to PNG Online Free

Why convert BMP to PNG?

BMP is an uncompressed Windows bitmap format with very large file sizes. Converting BMP to PNG reduces file size by 50-80% without quality loss, while adding transparency support and web compatibility.

  • Reduce file size by 50-80% vs BMP
  • 100% lossless quality preservation
  • Adds transparency support
  • Web and modern software compatible

How to convert BMP to PNG

  1. 1Select BMP as source format and PNG as target format above.
  2. 2Drag and drop files into the upload area or click "Choose files" to select from your device.
  3. 3Files are converted automatically. Click "Download" to save the PNG file to your device.

Frequently Asked Questions

What is the difference between BMP and PNG?
BMP is uncompressed bitmap with large file sizes. PNG uses lossless compression, 50-80% smaller without quality loss, and supports transparency.
Who still uses BMP?
BMP mainly appears in legacy Windows applications, scanners, and some technical software. Most BMP images should be converted to PNG or WebP.
Does BMP to PNG conversion lose quality?
No. Both BMP and PNG store full pixel data. PNG simply compresses data more efficiently without removing information.

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