Compress BMP Images Online
BMP files are uncompressed and very large. Our tool compresses them dramatically, reducing file sizes by up to 95% while preserving visual quality.
Drag & drop files here or click to browse
Supported formats: .bmp,image/bmp
Maximum 20 files at once
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Frequently Asked Questions
Why are BMP files so large?
BMP (Bitmap) stores raw pixel data without compression, making files very large. A simple 1920x1080 image can be over 6MB as BMP.
How much can a BMP be compressed?
BMP files compress extremely well — typically 90-95% reduction since the original format has no compression at all.
What format is the compressed output?
The compressed file uses efficient compression while maintaining the visual quality of the original BMP.
Is this free to use?
Yes! Completely free, no signup, no watermarks, and no file limits.