Convert BMP to PNG OnlineFree & Private
Convert your BMP images to PNG format directly in your browser. PNG preserves lossless quality with efficient compression, producing much smaller files than uncompressed BMP.
Drop an image here or browse files
Supports JPG, PNG, WebP, AVIF, HEIC, GIF, TIFF, BMP, and SVG
About This Conversion
What is BMP?
BMP (Bitmap) is one of the oldest image formats, dating back to the early days of computing. BMP files store uncompressed pixel data, resulting in very large file sizes. While BMP preserves exact pixel values, its lack of compression makes it impractical for most uses.
What is PNG?
PNG (Portable Network Graphics) is a lossless image format that preserves every detail of your original image. It supports alpha channel transparency and uses efficient lossless compression, making it ideal for graphics, screenshots, and any work requiring pixel-perfect quality.
Why Convert BMP to PNG?
- You want lossless quality with smaller files — PNG uses efficient lossless compression, producing much smaller files than BMP.
- You need transparency support — PNG supports alpha channel transparency, unlike BMP.
- You need web compatibility — PNG is supported by all browsers; BMP has limited web support.
- You are doing design work — PNG is universally supported in design tools like Photoshop and Figma.
- You want better tool support — PNG is recognized by virtually every image editing application.
BMP vs PNG: Comparison
| Feature | BMP | PNG |
|---|---|---|
| Compression Type | Uncompressed | Lossless (Deflate) |
| Color Depth | Up to 48-bit | 24-bit or 48-bit |
| Transparency | Not supported | Full alpha channel |
| File Size | Very large | Much smaller (lossless) |
| Browser Support | Limited | All browsers |
| Best For | Exact pixel storage | Design, web graphics, screenshots |
| Tool Support | Limited | Universal in design tools |
| Web Use | Not suitable | Fully supported |
How to Convert BMP to PNG
1. Upload Image
Drag & drop or browse to select your BMP file
2. Select Format
PNG is pre-selected as output format
3. Convert
Click convert — processing happens in your browser
4. Download
Preview and download your converted PNG file
All processing happens in your browser. Your files never leave your device.
Frequently Asked Questions
Is this BMP to PNG converter free?
Yes, Nice Converter is completely free. Convert unlimited BMP images to PNG with no restrictions or sign-up required.
Is my data safe? Do you upload my files?
All processing happens in your browser. Your files never leave your device — no uploads, no servers, no data collection.
Will I lose quality converting BMP to PNG?
Both BMP and PNG are lossless formats. Converting between them preserves all image data. PNG simply compresses the same data more efficiently.
Why is PNG better than BMP?
PNG uses lossless compression to produce much smaller files than BMP while preserving the same quality. PNG also supports transparency, which BMP does not.
Will the PNG file be smaller than the BMP?
Yes, PNG files are typically 5-20x smaller than BMP because PNG uses efficient lossless compression on the same uncompressed pixel data.
What other formats can I convert BMP to?
You can also convert BMP to JPG for smaller files, to WebP for web optimization, or to AVIF for maximum compression. See our other converter pages.
Related Conversions
BMP to JPG
Convert your BMP images to JPG format directly in your browser. JPG produces files that are 10-50x smaller than BMP while maintaining excellent visual quality for photographs.
BMP to WebP
Convert your BMP images to WebP format directly in your browser. WebP provides excellent compression with transparency support and 97%+ browser compatibility, replacing BMP for modern web use.
BMP to AVIF
Convert your BMP images to AVIF, the most efficient image format available. AVIF delivers dramatically smaller files than uncompressed BMP with HDR support and modern web compatibility.
PNG to JPG
Convert your PNG images to JPG format directly in your browser. JPG produces much smaller file sizes for photographs and complex images, making it ideal for web use and sharing.
WebP to PNG
Convert your WebP images to PNG format directly in your browser. PNG provides lossless quality and full transparency support, ideal for editing and graphic design.
AVIF to PNG
Convert your AVIF images to PNG format directly in your browser. PNG provides lossless quality, full transparency support, and universal tool compatibility for design work.