Convert BMP to PNG Online

Free and fast BMP to PNG converter with better compression and transparency support. Works instantly on any device, no signup required.

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Why Convert BMP to PNG?

BMP files are typically uncompressed and extremely large, while PNG offers modern features and efficient size. Benefits of converting BMP to PNG:

  • Better Compression: PNG files are commonly 50–90% smaller than BMP.
  • Transparency Support: PNG supports alpha transparency for clean edges.
  • Web Compatibility: Ideal for websites and online sharing.
  • Universal Support: Works across all modern devices and apps.
  • Quality Preservation: Lossless compression maintains detail.

How to Convert BMP to PNG Online

Just a few steps:

  1. Click Upload BMP and select your file.
  2. Wait for processing and optimization.
  3. Click Download PNG to save your optimized file.

No technical skills required — compression is tuned automatically.

BMP vs PNG Comparison

  • File Size: PNG usually 50–90% smaller than BMP.
  • Compression: PNG is lossless; BMP is generally uncompressed.
  • Transparency: PNG supports transparency; BMP typically does not.
  • Web Use: PNG is web-friendly; BMP is not recommended.
  • Quality: Both can be high quality; PNG achieves it with smaller size.

Supported Limits & Formats

  • Accepted input: BMP (image/bmp)
  • Maximum file size: up to 16 MB per file
  • Output: PNG (.png, MIME image/png)
  • Compression level: 0–9 (default 6)

Features of Our BMP to PNG Converter

  • 100% free, no watermarks
  • Automatic compression optimization
  • Quality preserved (lossless PNG)
  • Secure, browser-based workflow
  • Mobile friendly (iOS, Android)

What is BMP?

BMP (Bitmap) is a simple raster image format, often uncompressed — resulting in very large files. It's compatible but inefficient for the web.

What is PNG?

PNG (Portable Network Graphics) is a lossless raster format with transparency support, widely used for UI, graphics, screenshots, and the web.

Troubleshooting

  • Upload failed: Ensure the file is BMP and ≤ 16 MB.
  • PNG still large: Try a lower compression level or use our Image Compressor.
  • Transparency needed: PNG supports transparency, but if your BMP has a solid background, remove it first with Background Remover.

Use Cases: When to Convert BMP to PNG

  • Web uploads with smaller size.
  • Graphics & logos needing transparent backgrounds.
  • Storage optimization without quality loss.
  • Cross-platform sharing and archiving.

  • Yes, the converter is completely free with no hidden charges or subscriptions.
  • No. PNG uses lossless compression, so you won't lose quality during conversion.
  • PNG files are typically 50–90% smaller than BMP while retaining the same visual quality.
  • You can upload images up to 16 MB per file.
  • Files are processed automatically and not retained longer than necessary for conversion.
  • This page converts one file at a time. For bulk needs, repeat the process or use a batch tool.
  • Use PNG for web use, smaller file sizes, and when you need transparency. BMP is mainly for workflows that require uncompressed images.

PNG conversion will significantly reduce file size while maintaining quality — ideal for web and sharing.