About converting BMP to PNG
This free BMP to PNG converter runs entirely in your browser. Drop one or more BMP files, adjust quality if available, and download PNG copies — your images never leave this device.
BMP is commonly used for legacy software and raw pixel dumps. PNG is a better fit when you need logos or icons. Converting locally means no upload queues, no account, and no third party can see your files.
When to use PNG instead of BMP
Switch from BMP to PNG when the destination app, website, or workflow prefers PNG, or when PNG gives you a clearer quality or size trade-off for your use case.
- PNG: Lossless quality
- PNG: Full transparency support
- PNG: Sharp edges for logos, UI, and screenshots
- BMP limitation: Very large file sizes
- BMP limitation: No modern compression or web optimization
How to convert BMP to PNG privately
Upload is never required. Everything uses your browser’s image decoder and canvas encoder.
- Choose BMP files (or drag them onto the drop zone).
- Set quality if the PNG format supports lossy encoding.
- Click Convert — processing happens on your device.
- Download each result, or download all when converting a batch.
BMP vs PNG: quick comparison
BMP strengths include uncompressed pixel data and simple format used by older windows software. PNG stands out for lossless quality and full transparency support.
If you still need BMP later, keep a master copy. Lossy formats like JPG and some WebP exports cannot recover detail that was discarded during encoding.
Tips for better results
A few practical habits help you keep quality high and files small.
- Start from the highest-quality source you have — never convert from a heavily compressed preview if you can avoid it.
- For photos, try WebP or JPG around 80–90% quality before going lower.
- For logos and screenshots, prefer PNG or lossless WebP so text stays sharp.
- Resize before compressing if you only need a small display size — fewer pixels usually beat aggressive quality cuts.