BMP to PNG

BMP (Bitmap) files are one of the oldest image formats and often produce very large file sizes. While BMP works on Windows systems, it’s not ideal for sharing, uploading, or web use.

Use our free BMP to PNG converter to quickly convert BMP images into modern, compressed PNG files. Batch conversion is supported, and no sign-up is required.

BMP to PNG Converter

Convert BMP files to PNG for editing and compatibility. Batch supported.

Drag & drop BMP files here, or click to choose.
Multiple files will download as a ZIP.
Tip: Upload multiple files to batch convert. Multi-file downloads come as a ZIP.
Privacy: Files are processed automatically and not stored permanently.

Why Convert BMP to PNG?

BMP files are:

  • Typically uncompressed
  • Large in file size
  • Less efficient for web use
  • Limited in modern workflows

PNG format offers:

  • Lossless compression
  • Smaller file sizes
  • Transparency support
  • Wide compatibility across devices and browsers

If you need a smaller, more web-friendly image format, PNG is the better choice.

How to Convert BMP to PNG

  1. Upload one or more BMP files.
  2. Optionally set a maximum width or height to resize the image.
  3. Click Convert.
  4. Download your PNG file instantly (or a ZIP file for multiple uploads).

Your image quality will be preserved thanks to PNG’s lossless compression.

BMP vs PNG – What’s the Difference?

BMP

  • Raw bitmap format
  • Very large file sizes
  • No compression by default
  • Mostly used in older Windows environments

PNG

  • Lossless compression
  • Supports transparency
  • Smaller file sizes
  • Ideal for web use

PNG maintains image clarity while significantly improving efficiency compared to BMP.

Frequently Asked Questions

Does PNG reduce quality compared to BMP?

No. PNG uses lossless compression, so image quality remains intact.

Why is BMP so large?

BMP typically stores raw pixel data without compression, which increases file size.

Can I convert multiple BMP files at once?

Yes. Batch conversion is supported and files will download in a ZIP archive.

Is this BMP to PNG converter free?

Yes. Completely free with no watermarks or hidden fees.

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