BMP to PNG Converter
Drop BMP images to get PNG files. The conversion is lossless and runs on your device.
Drop BMP files here
or paste from your clipboard
Nothing is uploaded. Files stay on your device. Up to 200 MB each.
- No upload Files stay on your device
- No account No signup, no watermark
- Free No usage limits
How to use this converter
- Add your BMP files by dragging them onto the box or choosing them from your device.
- Adjust the options if you want to, then choose Convert.
- Download each PNG file, or use the ZIP button to get several at once.
Why convert BMP to PNG
PNG compresses without losing information, so a BMP becomes a smaller file with identical pixels. It is the cleanest upgrade for screenshots and graphics stored as BMP.
Typical situations
- Reducing the size of a bitmap without losing any pixel information
- Converting screenshots or drawings from older programs
- Preparing a legacy graphic for a web page
What to watch for
Conversion does not change how the picture looks. Photos will still be larger as PNG than as JPG. If size matters more than exactness, use BMP to JPG instead.
Tips for better results
- A 24 bit BMP of 1920 by 1080 pixels is about 6.2 MB, and the PNG of a simple graphic is usually a small fraction of that.
- Photographs will still be larger as PNG than as JPG.
- The picture looks identical after conversion because PNG is lossless.
BMP and PNG compared
| Feature | BMP | PNG |
|---|---|---|
| Full name | BMP (Windows Bitmap) | PNG (Portable Network Graphics) |
| Introduced | 1990 | 1996 |
| Compression | Usually uncompressed | Lossless |
| Transparency | Not supported | Supported |
| Best for | Simple raw bitmaps, mostly legacy software | Screenshots, logos, diagrams and images that need a transparent background |
| Compatibility | Opens in most programs, but files are large | Opens everywhere, including all browsers and image editors |
Frequently asked questions
Is BMP to PNG conversion lossless?
Yes. PNG uses lossless compression, so the pixels in the PNG match those in the BMP.
Are my files uploaded to a server?
No. The conversion runs in your browser using your own device, so the files are not sent to Convert In Place or anyone else. See how it works for a way to check this yourself.
Is there a limit on file size or number of files?
You can use it as often as you like. One batch holds up to 200 files, and each file can be up to 200 MB. Large files and long batches depend on the memory of your device, and phones handle less than computers.
Related converters
- BMP to JPG ConverterChoose BMP files to save them as compact JPG images.
- TIFF to PNG ConverterAdd TIFF images and download PNG files.
- JPG to PNG ConverterChoose JPG files to save them as PNG.
Guides
Last reviewed October 2026. Conversion uses open source libraries running in your browser, listed on the how it works page. Convert In Place is not affiliated with Apple, Google, Adobe or any format owner.