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How to Convert BMP to PNG Online

Convert BMP bitmap to compressed PNG. Free, fast, and no account required.

🔒Secure⚡Fast🆓Free✉️No Signup📦Max 250 MB

Drop your BMP file here

or click to browse from your device

Supports BMP · Max 250 MB

🔒 Files are processed securely and deleted immediately after conversion.

Converting BMP to PNG is almost always an upgrade. BMP is an old, uncompressed bitmap format that stores every pixel with no compression, which makes files enormous for what they contain. PNG stores the same image losslessly — so no quality is lost — but compresses it efficiently, typically cutting the file size dramatically. PNG is also far more widely supported on the web and in modern software, and it adds transparency support that BMP lacks. There’s essentially no downside: the image looks identical and the file gets smaller and more portable. Convert BMP to PNG whenever you need to share, upload, or store a bitmap image and want a smaller, universally supported file without sacrificing any quality.

What Is BMP?

BMP is an uncompressed raster image format that stores pixel data directly without compression. This results in large file sizes but preserves exact pixel information. BMP files are commonly used in Windows environments and for specific technical applications.

  • Windows system graphics
  • Technical and scientific imaging
  • Source files for further processing
  • Legacy application compatibility

BMP files are significantly larger than compressed formats like JPG or PNG. Converting BMP to PNG or JPG is recommended when file size or web use is a consideration.

What Is PNG?

PNG is a raster image format that uses lossless compression, meaning it retains all original image data without quality loss. It supports transparency (alpha channel), making it a popular choice for graphics, icons, and images that need to be layered over other content.

  • Web graphics with transparency
  • Screenshots and interface elements
  • Logos and icons
  • Images requiring sharp detail

PNG files are typically larger than JPG files for photographic content because lossless compression is less efficient for complex, high-color images.

Why Convert BMP to PNG?

  • 1Improve compatibility by converting to PNG, which is supported by virtually all devices and applications
  • 2Gain transparency support that the source format does not provide
  • 3Put PNG (Portable Network Graphics) to work for Web graphics with transparency and Screenshots and interface elements
  • 4Convert BMP to PNG right in your browser — nothing to install and no account to create

How to Convert BMP to PNG

  1. 1

    Upload your BMP file

    Drag and drop your BMP file into the upload area above, or click to open your file browser.

  2. 2

    Start the conversion

    Click the "Convert to PNG" button. The conversion begins immediately and you can track progress.

  3. 3

    Download the result

    Once complete, click the download button to save your PNG file to your device.

Privacy & Security

Your file is transmitted over HTTPS and processed in server memory only. It is never saved to disk and is discarded immediately after the converted file is returned to you.

Frequently Asked Questions

To convert a BMP file to PNG, use the upload area on this page. Drag and drop your BMP file or click to browse your files. Once uploaded, click the "Convert to PNG" button. The conversion will be processed and the resulting PNG file will be available for download.

Yes. This conversion tool is completely free to use. There are no premium tiers, no watermarks applied to your output, and no limit on the number of conversions you can perform. The service is supported by advertising.

BMP (Bitmap Image File) BMP is an uncompressed raster image format that stores pixel data directly without compression. PNG (Portable Network Graphics) PNG is a raster image format that uses lossless compression, meaning it retains all original image data without quality loss. Converting between these formats allows you to take advantage of the strengths of each format depending on your specific needs.

Converting BMP to PNG makes sense when you need what PNG (Portable Network Graphics) is good at: Lossless compression preserves full quality, Supports transparency (alpha channel), Sharp edges for text and graphics. It is commonly used for Web graphics with transparency, Screenshots and interface elements, Logos and icons. PNG files are typically larger than JPG files for photographic content because lossless compression is less efficient for complex, high-color images.

The output quality depends on the formats involved. Converting from a lossy format to a lossless format does not recover lost data, but no additional quality is lost. Converting from lossless to lossy involves some data reduction to achieve smaller file sizes. Image conversions use optimized settings to maintain visual quality.

Yes. Files uploaded for conversion are processed in server memory and discarded immediately after the converted file is returned to your browser. We do not store, copy, or analyze your files. All transfers are encrypted using HTTPS.

The maximum file size is 250 MB per file. This limit applies to all format types. Most conversions complete within a few seconds for typical file sizes.