Convert BMP to PNG Online
BMP files are uncompressed and enormous - a single screenshot can be 5-10MB. Converting to PNG gives you the same lossless quality at 5-10x smaller file size.
Our converter handles all BMP files and produces high-quality PNG output compatible with every browser, application, and operating system.
What is BMP?
BMP (Bitmap) is Microsoft's uncompressed image format. Every pixel is stored individually with no compression, resulting in very large files.
BMP is rarely used today due to its enormous file size. A 1920x1080 24-bit BMP is about 6MB compared to 1MB for an equivalent PNG.
What is PNG?
PNG uses lossless compression (DEFLATE) to reduce file size without losing any image data. The result is identical quality at a fraction of the BMP file size.
PNG is the standard format for screenshots, graphics, and images with transparency on the web and in applications.
Why Convert BMP to PNG?
Much Smaller Files
PNG is typically 5-10x smaller than equivalent BMP files with identical image quality.
Web Compatible
PNG supports alpha channel transparency which BMP does not.
Transparency Support
PNG supports alpha channel transparency which BMP does not.
Universal Support
PNG is supported by every image editor, viewer, and application.
How to Convert BMP to PNG
Upload BMP
Select your BMP file using the upload button or drag and drop.
Choose PNG output
PNG is selected automatically as the best lossless output format.
Convert
Click convert. The process is fast since both formats are lossless.
Download PNG
Save your PNG file - identical quality, dramatically smaller size.
Ready to Convert BMP to PNG?
Use our free online converter. No signup, no watermarks, no limits.
Convert BMP to PNG NowPro Tips
Expect 80-90% size reduction
A 6MB BMP screenshot will typically become 500KB-1MB as PNG.
Use for web images
PNG is the correct format for screenshots and graphics on websites and apps.
No quality settings needed
PNG is always lossless - there are no quality trade-offs to make.
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Our converter handles all BMP files automatically with no quality loss.
Files are processed securely and deleted after 1 hour for your privacy.
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