Convert PNG to BMP Free Online
Fast, private PNG to BMP conversion. No signup required. Files never leave your browser until conversion.
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Multiple files supported · Max 20 MB each
Private
Files never stored
Batch
Multiple at once
Lossless
Quality control
Why Convert PNG to BMP?
Converting PNG to BMP may be necessary for compatibility with legacy Windows applications or embedded systems that only support the BMP format.
Common Use Cases
- Legacy Windows application compatibility
- Embedded systems and firmware that require BMP
- Simple image processing pipelines
Source Format
PNG
Portable Network Graphics
PNG is a lossless raster image format that supports transparency. It is widely used for web graphics, screenshots, and images that require crisp edges or transparent backgrounds.
+ Lossless compression preserves every pixel
+ Full alpha transparency support
+ Universally supported across all browsers and platforms
- Larger file sizes compared to lossy formats like JPEG or WebP
- Not efficient for photographs with complex color gradients
Target Format
BMP
Bitmap Image File
BMP is an uncompressed raster image format native to Windows. It stores pixel data directly without compression, resulting in large file sizes but perfect quality.
+ No compression means zero quality loss
+ Simple format, easy to read and write programmatically
+ Native Windows support
- Extremely large file sizes
- No transparency support
Quality & Size Notes
BMP is uncompressed, so no quality is lost. However, files will be significantly larger than PNG. Transparency is not preserved in BMP.
Frequently Asked Questions
Why would I convert PNG to BMP?
BMP is required by some legacy Windows applications, embedded systems, and simple image processing tools that don't support modern formats.
What happens to transparency?
BMP does not support transparency. Transparent areas will be flattened to a white background.
Will the file size increase?
Yes, significantly. BMP stores pixel data without compression, so files are much larger than PNG.