PixThru

Convert BMP to JPG

Turn large BMP bitmaps into compact, universal JPG files — free, in your browser.

Convert to

Drop an image here or click to choose

processed on your device — never uploaded

BMP files are uncompressed and enormous — a single bitmap can be tens of megabytes. Converting BMP to JPG shrinks it dramatically while keeping the image looking the same, and gives you a format every device and website accepts.

The conversion runs locally; your file is never uploaded.

More sizes & options

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Frequently asked questions

Why is my BMP file so huge?
BMP stores every pixel with no compression. JPG compresses intelligently, so the same image becomes a tiny fraction of the size.
Will the JPG look different?
At high quality the difference is hard to see, while the file becomes vastly smaller and easier to share or upload.
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🔒 Your files never leave your device. This tool runs entirely in your browser — nothing is uploaded.