BMP ↔ JPG/PNG Converter
Shrink uncompressed BMP files to JPG or PNG, or convert images to 24-bit BMP
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🔒 Everything runs 100% in your browser. Your files and input are never uploaded to any server.
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.
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.