Convert BMP to PNG Online
Transform your Bitmap Image File (BMP) files into universally supported Portable Network Graphics (PNG) images in seconds. Our converter runs 100% locally in your browser—your images are never uploaded to remote servers, ensuring complete privacy and blazing fast conversions.
BMP vs PNG: Format Comparison
| Feature | BMP | PNG |
|---|---|---|
| Compression Algorithm | Lossless (Pixel perfect) | Lossless (Pixel perfect) |
| Alpha Transparency | Not Supported (White background) | Supported (Transparent background) |
| Animation / Sequences | Static single frame only | Static single frame only |
| Browser Compatibility | 100% (Universal) | 100% (Universal) |
| Ideal Application | Embedded microcontroller systems, legacy Windows applications, uncompressed pixel arrays | Logos, UI design, screenshots, diagrams, and graphics requiring alpha transparency |
How to Convert BMP to PNG (3 Easy Steps)
- Upload BMP: Select your BMP file by dragging and dropping it into the conversion box, or click Browse to choose from your device.
- Select PNG Output: Configure your output parameters. The tool is pre-set to convert to PNG. Adjust quality or dimension preferences if required.
- Instant Download: Click Convert and download your finished PNG instantly. Everything processes locally in your browser memory.
Technical Specifications
About BMP
Full Name: Bitmap Image File
MIME Type: image/bmp
Developer / Standard: Microsoft Corporation
Introduced with Windows 1.0 in 1985.
About PNG
Full Name: Portable Network Graphics
MIME Type: image/png
Developer / Standard: PNG Development Group / W3C
PNG was invented in 1995 as a free, patent-unencumbered open-source replacement for GIF.
Frequently Asked Questions
How do I convert BMP to PNG for free?
Simply drop your BMP file into the converter box above, ensure PNG is selected as the output format, and click Convert. Your converted PNG file is generated instantly right in your browser.
Will converting BMP to PNG reduce image quality?
No. PNG is a lossless format, so every pixel from your original BMP image is preserved with zero compression artifacts.
Does converting BMP to PNG preserve transparency?
Yes! PNG supports alpha transparency. If your source BMP image has a transparent background, it will be preserved.
Is my file safe when converting on convertfiles.app?
100% safe. Unlike traditional cloud converters, convertfiles.app processes everything directly on your device using WebAssembly and HTML5 Canvas. Your files never leave your computer or phone.