BMP to PNG Converter — Free Online
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Supports: BMP
How to Convert BMP to PNG
Vizua converts BMP to PNG losslessly in your browser. PNG uses efficient lossless compression, so your file becomes much smaller than BMP while preserving every single pixel.
BMP vs PNG — Key Differences
Both BMP and PNG are lossless formats, but PNG adds smart compression. A 6 MB BMP file typically becomes a 1-3 MB PNG — with zero quality loss. PNG also supports transparency, which most BMP files don't offer.
When to Choose PNG Over JPG
- Screenshots — sharp text and UI elements stay crisp without compression artifacts
- Graphics with transparency — PNG preserves the alpha channel
- Web use — PNG is universally supported across all browsers and platforms
- Further editing — lossless format won't degrade with repeated saves
100% Private — No Upload
Your files never leave your device. Vizua processes everything locally in your browser.
Frequently Asked Questions
How do I convert BMP to PNG?
Drop your BMP file into Vizua and download a PNG instantly. The conversion is lossless — every pixel is preserved exactly as in the original.
Why convert BMP to PNG instead of JPG?
PNG is lossless like BMP but uses compression to reduce file size. Choose PNG over JPG when you need perfect quality, sharp edges (screenshots, text), or transparency support.
How much smaller is PNG compared to BMP?
PNG uses lossless compression, so a typical BMP converts to PNG at 20-50% of the original size, depending on image content. Photos compress less; simple graphics compress significantly more.
Does BMP to PNG preserve transparency?
Yes. If your BMP has alpha transparency (32-bit BMP), it will be preserved in the PNG output.
Can I convert multiple BMP files at once?
Yes — drop several BMP files and download them all as PNGs individually or in a ZIP archive.