Convert BMP to PNG Online Free

Convert BMP images to PNG for lossless compression. Reduce file sizes while preserving every pixel of quality.

Image Converter Tool

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Output Format

Tip: WebP and AVIF offer the best compression while maintaining quality. Use PNG for images requiring transparency, JPG for maximum compatibility.

Quality Settings

85%
High
Smaller file sizeHigher quality
85-100%: Best for photos, minimal compression
70-85%: Good balance of quality and size
50-70%: Smaller files, slight quality loss
Below 50%: Very small files, noticeable quality loss

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Why Convert BMP to PNG?

PNG offers lossless compression that dramatically shrinks BMP files without losing a single pixel of quality:

  • Lossless compression — zero quality loss
  • Significantly smaller files than BMP
  • Add transparency support
  • Web-ready format
  • Universal editor and browser support

How to Convert BMP to PNG

  1. Upload your BMP files above
  2. PNG is set as the output
  3. Click "Convert"
  4. Download your compressed PNG files

BMP vs PNG

BMP: Uncompressed, no quality loss, but enormous file sizes. Legacy Windows format.

PNG: Lossless compression, much smaller, transparency support, universal web format.

Frequently Asked Questions

Is PNG conversion truly lossless from BMP?

Yes, PNG lossless compression preserves every pixel identically. The image will look exactly the same but the file will be much smaller.

How much smaller will my BMP become as PNG?

PNG files are typically 50-80% smaller than equivalent BMP files, depending on image content. Images with large areas of solid color compress extremely well.

Should I use PNG or JPG for my BMP files?

Use PNG for screenshots, graphics, and images with text. Use JPG for photographs where smaller file size is more important than pixel-perfect quality.

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