ZipnifyFast image tools. Zero uploads.BMP to PNG converter
Turn BMP images into PNG in seconds. Drop one or many files and download the result.
- 100% private
- Free, no sign-up
- No file limits
- Instant results
Your files are processed on your device. Nothing is uploaded to any server.
How to use it
- Drop your BMP images in the box above, or click to choose them.
- The tool converts each one to PNG automatically inside your browser.
- Press Download next to each result, or download everything as a ZIP.
Why convert BMP to PNG?
BMP is an uncompressed image format from Windows. Files are very large, so converting them saves a lot of space.
PNG is lossless and supports transparency, which makes it the right choice for logos, screenshots and graphics with text. The trade-off is larger files.
Frequently asked questions
Is the BMP to PNG converter free?
Yes. It is completely free, with no limits on the number of files and no account required.
Are my images uploaded to a server?
No. The conversion happens on your own device using your browser, so your images never leave your computer or phone.
Will I lose quality?
Converting to PNG is lossless. Converting to JPG or WebP uses compression, and you can control the quality with the slider.
Can I convert several files at once?
Yes. Drop as many images as you like and download them all in one ZIP.