Convert PNG to BMP Online
Convert PNG to BMP instantly — free, private, no upload to servers.
What Is a PNG to BMP Converter?
A PNG to BMP converter transforms lossless PNG images into uncompressed Bitmap format. Since both formats preserve pixel data exactly, this is a lossless conversion — but the BMP file will be 3–10x larger because BMP uses no compression. This is required for specific legacy software that only reads BMP.
Why Convert PNG to BMP?
Certain embedded systems, old Windows programs, and specialized hardware (label printers, CNC machines) require BMP input. Converting PNG to BMP ensures compatibility while preserving pixel-perfect accuracy.
Best For:
- Legacy software requiring BMP format
- Label printers and CNC machines
- Pixel-perfect data transfer to embedded systems
- Old Windows clipboard operations
Technical Details
The output is 24-bit uncompressed BMP. PNG transparency is replaced with a white background since standard BMP does not support alpha channels.
How to Convert PNG to BMP in 3 Steps
Upload Your PNG File
Drag and drop your PNG image into the converter above, or click to browse. You can select multiple files for batch conversion.
Convert Instantly
Click the convert button and TweakFiles will instantly transform your PNG file to BMP format — right in your browser, with no upload to any server.
Download Your BMP File
Click download to save the converted file. For multiple files, use the "Download All" button to get everything at once.
TweakFiles vs Other PNG to BMP Converters
| Feature | TweakFiles | Convertio | CloudConvert |
|---|---|---|---|
| Price | Free forever | Freemium ($10/mo) | Freemium ($8/mo) |
| File Privacy | 100% client-side | Uploaded to servers | Uploaded to servers |
| Signup Required | No | After 10 files | After 25 files |
| Batch Conversion | Unlimited | 2 files (free) | 5 files (free) |
| Speed | Instant (no upload) | Depends on internet | Depends on internet |