Format guide
BMP
Bitmap Image File
BMP is Microsoft's original bitmap format from the late 1980s. It stores raw pixel data with minimal compression, which makes BMP files enormous (a 1080p screenshot is about 6 MB as BMP, 200 KB as PNG). The format remains common in Windows-internal contexts (clipboard, certain printer drivers, older industrial software) but is rarely chosen as a delivery format today.
How to open a BMP file
Universal, every OS, browser, and image editor reads BMP. The format is so old it predates compatibility concerns.
Primary use
Legacy Windows software, hardware drivers, certain industrial applications.
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