BMP to PNG Converter
Convert BMP images to PNG online for free. 100% private browser conversion — no server upload.
Drop images here
JPG, PNG, WebP, HEIC, GIF, BMP, AVIF, TIFF, ICO
Up to 10 files · 25 MB each · 80 MB total
Files stay on your device100% Private
Conversion runs locally in your browser — files never leave your device.
Batch Convert
Convert up to 10 images at once and download everything as a ZIP.
Lossless Options
Choose quality per file or apply a global setting across your batch.
How to
How to Convert BMP to PNG
- Click "Choose Files" and select your BMP images.
- Confirm "PNG" as the output format (pre-selected on this page).
- Click "Convert to PNG" and download your converted files.
Formats
About these image formats
What is BMP?
BMP (Bitmap) is an uncompressed raster format native to Windows. BMP files are large but preserve pixel data without compression artifacts.
How to open: BMP files open in Windows Paint, Photoshop, GIMP, and most image editors. Browsers can display BMP images directly.
Best for: Convert BMP to JPG or PNG to dramatically reduce file size for web use, sharing, or storage.
What is PNG?
PNG (Portable Network Graphics) is a lossless raster format that supports transparency. It is ideal for logos, icons, screenshots, and graphics that need sharp edges.
How to open: PNG files open natively in all browsers and operating systems. They are the standard format for web graphics with transparent backgrounds.
Best for: Use PNG when you need transparency, lossless quality, or crisp text and line art.
FAQ
Frequently asked questions
Are my files uploaded to a server?
No. ImageConverter runs entirely in your browser. Your files never leave your device — you can verify this in your browser's network tab.
Is BMP to PNG conversion free?
Yes. ImageConverter is free with no signup, no watermarks, and no file limits beyond your device's memory.
Can I convert multiple BMP files at once?
Yes. Add multiple files and convert them in one batch. Each converted PNG file can be downloaded individually.
Which browsers are supported?
ImageConverter works in Chrome, Firefox, Safari, and Edge. WebP output requires a modern browser with WebP encoding support.