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Convert PNG Image to BMP Without Losing Resolution

author
Written By
Nick Rogers
Published On
May 13th, 2026
Reading Time
6 Minutes Reading

It’s a common requirement to convert PNG images to BMP format when working with legacy software, bitmap editing tools or any particular printing work. PNG is used widely because of its compression & transparency support, BMP is still preferred in specific environments because of its uncompressed structure and Windows based apps compatibility.

In this tutorial, we will walk you through the best methods to convert PNG image to BMP. Here, you will learn manual methods and professional solutions to easily convert BMP to PNG without losing resolution.

What is BMP Format?

BMP or Bitmap image file is basically a raster graphics format. It can store image data without compression, which means every pixel is preserved as it is.

And due to this, bitmap files:

  • Maintain original image details
  • They are very easy to process in any software
  • They are much larger in size

BMP files also used in:

  • Legacy Windows apps
  • Any graphic editing work
  • Printing work that requires raw data

PNG vs BMP: What’s the Difference?

It is important for you to understand how these formats differ before converting.

Feature PNG BMP
Compression Lossless (compressed) Uncompressed
File Size Smaller Very large
Transparency Supported Limited
Quality Lossless Lossless
Compatibility Web + modern apps Legacy + Windows systems

When Should You Convert PNG to BMP?

You do not always need BMP. But in some cases, it’s the best choice.

  • Here are the practical scenarios where PNG to BMP conversion is ideal.
  • This conversion makes sense when working with old Windows based software
  • Have the app that only support bitmap images
  • Preparing images for specific print systems
  • Managing raw data for technical work
  • Need to edit images at pixel level in any bitmap editors

Note – PNG is usually the more efficient format if none of these apply.

Methods to Convert PNG Image to BMP

There are various manual and professional methods to convert PNG files to bitmap images. We’ll explain to you all the methods step by step in detail. Please go through them and find which one is ideal for you. So, let’s begin.

1. Using Microsoft Paint

  1. First, open the Paint application on Windows PC.
  2. Then, go to the File tab and select Open option
  3. Select your PNG files and then click the Open box button
  4. Your PNG file will now added in the Paint app
  5. Click File tab again and then select Save As option
  6. Select 16 color bitmap / 256 color bitmap / 24-bit bitmap from Save as type
  7. Select file name and destination to save the file
  8. Click the Save box button.

Note – This method is simple, but it is not suitable for batch conversion.

2. Using Photoshop Application

  1. First, Open the PNG file in Adobe Photoshop app
  2. Click the File and select Save As option
  3. Select BMP format from the Save as options
  4. Also, adjust settings if you need
  5. At last, save the image

Note – This method is ideal for professionals who need full control over image settings.

3. Using GIMP

  1. Open your PNG image in GIMP
  2. Click File and then click Export As
  3. Select BMP format from the various options
  4. Finally, export the file

Note – This method is a good free alternative to Photoshop.

Limitations of the Manual Methods

Here are the reasons why manual methods fall short:

  • Manual methods cannot convert PNG images to BMP in batch
  • They are not suitable for large files
  • You have to manually select and convert each image by one that can take hours and even days
  • There is no consistency in output

If you regularly convert files, using the professional method is more suitable for you.

Best Method to Convert PNG File to BMP

The 4n6 PNG Converter Tool is the ideal solution if you want to convert multiple PNG image files to BMP at once. This tool is time-efficient and allows you to convert hundreds of files in a single operation without losing resolution or quality. It comes with a simple interface and is ideal for beginners and non-techies.

Download Now Purchase Now

You can download the tool from the download button and use it all for free with the trial version. Also, you can check out the steps below to learn how this PNG to BMP converter works.

Steps to Batch Convert PNG Images to BMP

  1. Install and start the PNG to BMP converter on your windows computer.
    png to bmp converter
  2. Click the Open button and select PNG Files from the drop-down menu.
    upload png files
  3. Browse, select and import PNG files / folders into the software panel
    preview png image
  4. Click the Export button and then select the BMP from the drop-down menu.
    choose bmp
  5. Select the destination path for the resultant files and then click on the Save button.
    click bmp save

The tool will only take a few minutes regardless of the number of your files. Once the conversion is completed, you will get the notification. Now, let’s move forward and learn some benefits of professional PNG to BMP image converter.

Why Choose PNG to BMP Converter?
  • Support to convert multiple PNG files to BMP at the same time.
  • Preserve image quality and resolution during conversion.
  • Automates the entire PNG to PNG conversion process and eliminated manual effort
  • Completely standalone and does not require you to use additional software.
  • Offers you a preview of a PNG image before converting it into bitmap files.
  • Allows you to save output files to internal and external hard drives,
  • Support large image mailbox conversion without restrictions
  • Also lets you convert PNG files to JPG and various other image formats.
  • Compatible with all latest versions of the Windows operating system.
Why is BMP File Size So Large?

BMP files do not compress image data. Therefore, every pixel is stored as-is that increases file size.

For example:

A 2 MB PNG file can become 10 to 20 MB as a BMP

This is completely normal behavior. There is not a problem with the conversion.

In Conclusion

Converting PNG files to BMP is simple and straightforward once you find your perfect solution. In the above content, we offered you multiple ways to convert PNG image to BMP. We explained to you manual methods step by step that are easy and free but not useful for bulk conversion. Also, we proposed to you the best PNG to BMP converter that overcomes all the shortcomings of the manual methods and lets you convert hundreds of PNG images to bitmap in a single operation. Please review all the methods above and use the one that you find most ideal for you.

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