BMP to PNG converter
Convert BMP images to PNG right in your browser — free, private and fully offline. Drag in one BMP file or a whole batch and download PNGs individually or as a ZIP. Nothing is uploaded; every conversion runs entirely on your own device.
Open BMP to PNG converter →Private · runs in your browserOffline · after first loadFree · no signup
Convert BMP to PNG online — free and private
This BMP-to-PNG converter runs entirely in your browser. Your images never leave your computer — there is no upload, no account, no watermark and no file-size paywall — and it keeps working offline after the first load.
How to use BMP to PNG converter
- Add your images — Drag one or more BMP files onto the drop zone, or click to browse and pick them.
- Convert to PNG — Each BMP image is decoded and re-encoded to PNG locally on your device — nothing is sent to a server.
- Download — Save the converted PNG files one at a time, or grab the whole batch as a single ZIP.
Frequently asked questions
Are my BMP files uploaded to a server?
No. The conversion runs 100% in your browser using your own device, so your images never leave your computer.
Can I convert several BMP files at once?
Yes — drop a whole batch, convert them together, and download them individually or as one ZIP archive.
Does the converter work offline?
Yes. Once the page has loaded it keeps working with no internet connection.