BMP to JPG Converter, Free and In Your Browser
BMP files from old scanners are uncompressed and huge. JPG is the practical interchange format for email and cloud drives.
Use the controls below to shrink a BMP without resizing pixels.
Format notes
When to use this output
BMP to JPG tames uncompressed bitmaps from old scanners, lab equipment, or legacy Windows apps. JPG is easier to email and store on modern drives.
Transparency
BMP rarely includes alpha in consumer files. JPG output is opaque. Oddball BMP variants with alpha should be checked in a viewer first.
Quality
BMP is usually lossless and huge. JPG compression introduces loss but is acceptable for document scans at 0.85 quality or higher.
File size
JPG can shrink a tens-of-megabytes BMP to under a megabyte for grayscale scans. Always compare preview if fine lines must stay crisp.
FAQ
Why are BMP files so large?
BMP often stores raw pixels row by row without modern compression. JPG trades size for lossy encoding.
Color depth changes?
The tool decodes to a standard color canvas in the browser, then encodes JPG.
Suitable for medical imaging?
This is a general-purpose converter, not a regulated DICOM tool. Confirm compliance before clinical use.
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