BMP to JPG
Turn bulky, uncompressed BMP bitmaps into far smaller JPG files that are easy to store and share. Free, fast and secure, no sign-up. Everything runs locally in your browser and your file is never uploaded.
3 numbered images + 1 damaged file. A real processing example.
Images are processed in this tab. Download your results before closing or refreshing.
Your finished images will appear here.
Check each image, its dimensions and file size before downloading.
Frequently asked questions
BMP stores every pixel uncompressed, so files easily run into tens of megabytes. JPG uses lossy compression that drops detail you can't really see, so photos often end up a fraction of the original size.
image cat encodes at high quality by default, so for photos and screenshots the difference is hard to spot. You'd only notice slight artifacts when zooming in heavily.
Yes. The browser decodes BMP natively, including the common 24-bit and 32-bit variants, and everything runs locally with no upload.
Updated · image cat team