BMP ↔ JPG/PNG Converter
Shrink uncompressed BMP files to JPG or PNG, or convert images to 24-bit BMP
You can shrink large, uncompressed BMP (bitmap) images by converting them to compressed formats like JPG or PNG. Conversely, you can also convert images to the 24-bit BMP format required by older programs or devices.
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🔒 Everything runs 100% in your browser. Your files and input are never uploaded to any server.
How to use
- In the top tabs, choose the conversion direction (BMP→JPG/PNG or Image→BMP).
- Drag and drop or click to select an image.
- Set the output format, quality, and background color, then click Convert.
- Check the preview and download.
FAQ
- Is the image I input sent to a server?
- No. All conversion happens inside your browser, and your image is never sent to a server.
- Why are BMP files so large?
- BMP is an uncompressed format that stores pixels as-is without compression, so for the same image it's far larger than JPG or PNG.
- What happens if I convert a transparent PNG to BMP?
- 24-bit BMP doesn't support transparency, so transparent areas are filled with the background color you chose.