Convert BMP to PNG
Convert BMP images to PNG right in your browser.
Drop an image here
or choose files from your device
You can also paste an image with Ctrl+V
JPG, PNG, WebP, AVIF, HEIC, GIF · up to 100 MB
Your images are processed locally in your browser and are not uploaded.
BMP is an old Windows bitmap format that stores pixels without compression, so the files are very large. PNG keeps every pixel exactly and preserves transparent backgrounds. The result is lossless, so it looks exactly like the decoded BMP.
How to convert BMP to PNG
- Step 1
Add one or more BMP images.
- Step 2
Optionally choose lossless optimisation or fewer colors.
- Step 3
Download your PNG file.
Why use PhotoTools
Instant conversion
BMP is decoded and encoded to PNG on your device in seconds.
Lossless result
PNG keeps every pixel exactly.
Private
Your images are never uploaded to a server.
Supported formats
Input
- BMP
Output
- PNG
- JPG
- WebP
- AVIF
Frequently asked questions
Does converting BMP to PNG lose quality?
No. PNG is lossless, so the image looks exactly like the decoded BMP. The file is usually larger.
Why convert BMP to PNG?
PNG keeps every pixel exactly and preserves transparent backgrounds.
Can I convert many BMP files at once?
Yes. Use the bulk image converter to convert whole folders to PNG and download them as a ZIP.
Why is my BMP file so large?
BMP stores every pixel without compression. Converting usually makes the file 5 to 20 times smaller.
Are my images uploaded to a server?
No. This tool runs entirely in your browser using WebAssembly. Your images never leave your device, and nothing is stored.