Convert BMP to PNG Online
Converting BMP to PNG keeps every pixel lossless while adding an alpha channel and much better compression, making the file far easier to use and share. The PNG output gains an alpha channel, so you can add transparent backgrounds in later edits.
Conversion route
BMP → PNG
About BMP to PNG Conversion
This free online converter transforms BMP images into PNG format directly in your browser. BMP is the uncompressed bitmap format from Microsoft, while PNG is the lossless format with full transparency. Whether you need broader compatibility, smaller file sizes, or different editing capabilities, switching from BMP to PNG takes just a few seconds and requires no software installation.
The PNG output gains an alpha channel that the original BMP lacked, giving you the freedom to add transparent backgrounds in later edits without starting your work over from scratch. The PNG output is lossless, preserving your image as faithfully as the format allows without introducing any new compression artifacts of its own.
This conversion is popular with people who work with legacy Windows applications and low-level image processing, as well as anyone preparing images for logos, screenshots, icons, and graphics with transparent backgrounds. BMP files are huge because they store uncompressed pixel data, so moving to PNG is a sensible, practical step. The result is a clean file that is ready to share, upload, publish, or edit further in your favorite tools.
Your privacy is protected throughout the entire process. Conversion happens entirely inside your browser, so your files never leave your device and are never uploaded to any server. The tool is completely free, handles multiple files at once, and works on any device with a modern browser, making it simple to convert BMP to PNG whenever you need to.
How to Convert BMP to PNG
- 1
Upload your BMP file by dragging it into the box or clicking to browse. You can add multiple files at once.
- 2
Review the output settings. PNG conversion is automatic and needs no extra tuning.
- 3
Click Convert. Your BMP is converted right inside your browser.
- 4
Download your new PNG file when processing finishes.
Why Use This Converter
Simple conversion
Convert BMP to PNG with no software installation.
Private by design
Your files are converted entirely inside your browser and never leave your device.
Faithful output
PNG output keeps the source content as faithfully as the target format allows.
Transparency preserved
Alpha channels are kept intact in the converted file.
Frequently Asked Questions
Is BMP to PNG lossless?
Yes. PNG is lossless, so your bitmap's pixels are preserved exactly while the file size drops significantly.
Do I need to install software to convert BMP to PNG?
No. The conversion runs through the web interface and the result is available as a download.
How is my BMP file processed?
This direction converts your file entirely inside your browser. The file never leaves your device and is not uploaded to any server.
What's the maximum BMP file size?
You can upload files up to 50 MB for this direction.