How to use JPEG to BMP Converter
- Drop one or more JPEG files into the box, or click to choose them.
- Adjust the options that appear, such as quality or background color.
- Download each BMP file, or all of them at once as a ZIP.
About this tool
JPEG is a lossy format designed for photographs, with small files and no transparency. BMP is an old uncompressed bitmap format that produces large files but is read by almost any program. Choosing between them depends on where the image will be used: JPEG is common for photographs and web images, while BMP suits legacy Windows software and simple pixel data.
BMP stores every pixel without compression, so the file will be much larger than the JPEG original. Transparent areas are filled with the background color you choose.
The conversion uses your browser's own image engine, so nothing is uploaded and there is no file size limit beyond your device's memory. Very large images over 100 megapixels are refused to avoid freezing the page.
Frequently Asked Questions
- Will I lose quality converting JPEG to BMP?
- No further loss is introduced by BMP itself, but detail already lost by JPEG compression cannot be recovered.
- Is transparency kept?
- BMP does not support transparency, so transparent areas are filled with the background color you pick.
- Are my images uploaded to a server?
- No. The conversion runs entirely in your browser and the files never leave your device.
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