PNG to BMP Converter — Convert PNG to Windows Bitmap Free
Convert compressed PNG images to uncompressed BMP format for legacy Windows applications. Fast, free, and completely private — all processing happens in your browser.
PNG to BMP Converter
Upload your PNG images — convert to BMP instantly in your browser
How to Convert PNG to BMP — Step by Step
Converting compressed PNG images to uncompressed BMP format is quick and straightforward. No software to install, completely free.
Upload PNG Files
Click the upload area or drag your PNG images into the converter. Multiple PNG files can be selected for batch processing.
Preview Your Images
Your PNG images display in the preview grid. Verify the correct files are selected before converting to BMP format.
Convert to BMP
Click Convert to BMP. Your PNG files are decoded and saved as uncompressed BMP files locally in your browser.
Download BMP Files
Download your BMP images ready for legacy Windows apps. Multiple files come in a ZIP. Note the larger file sizes and lost transparency.
PNG to BMP Converter — Complete Guide
PNG (Portable Network Graphics) is the modern standard for lossless image compression, widely used for web graphics, screenshots, and any image requiring perfect quality with transparency support. BMP (Bitmap) is the legacy Windows image format that stores every pixel individually without compression. Converting PNG to BMP creates a universally compatible uncompressed file for Windows applications.
While BMP files are dramatically larger than PNG (typically 3-10 times the size), they serve specific legacy compatibility purposes. Many older Windows applications, industrial systems, and embedded devices specifically require BMP format for image input and cannot read modern PNG files.
Why Convert PNG to BMP?
The primary reason is compatibility with legacy Windows software. Microsoft Paint, older versions of Windows, some CAD applications, and various industrial and embedded systems require BMP format. If you have PNG images that need to work with such systems, conversion to BMP is necessary despite the file size increase.
Important note: Standard BMP files do not support alpha channel transparency. If your PNG images have transparent backgrounds or semi-transparent elements, these will be lost during conversion. Transparent areas typically become solid black or white in the BMP output. If transparency is critical for your use case, verify BMP compatibility before converting.
Understanding the Tradeoffs
Converting PNG to BMP trades compression efficiency and modern features for legacy compatibility. You'll get dramatically larger files (3-10x), lose transparency, but gain the ability to open your images in any Windows application regardless of its age. If file size or transparency matters, consider whether your target application truly requires BMP format.
Why Use Our PNG to BMP Converter?
Built for users who need to convert modern PNG images for legacy Windows applications and embedded systems.
Universal Windows Compatibility
BMP is the native Windows bitmap format. Output opens in Microsoft Paint, legacy software, and any Windows application.
Uncompressed Pixel Storage
Get pure, uncompressed BMP files with every pixel stored individually — ideal for applications requiring raw pixel data.
Browser-Native Processing
All conversion happens in your browser. No PNG files ever leave your device — maximum privacy and security guaranteed.
Batch PNG Processing
Convert multiple PNG files to BMP simultaneously. Process entire collections of web graphics for legacy system compatibility.
Instant Local Conversion
No waiting for uploads or server processing. Your PNG images convert to BMP instantly right in your browser.
Pixel-Perfect Output
Conversion preserves all pixel data from your PNG (except transparency). Output is identical in quality to the PNG source.
Frequently Asked Questions — PNG to BMP
Everything you need to know about converting PNG images to BMP format.