Crop BMP Images to 3:4 (Portrait)
The 3:4 Portrait ratio is used for: book covers, posters, product standing shots, portrait photography, menus. Standard portrait orientation used for book covers, posters, and standing product photography. The most natural ratio for upright subjects. When preparing BMP images in 3:4 format, optimize file size alongside the crop — ImageSmith compresses your BMP to the perfect size for any platform. Common 3:4 dimensions: 900×1200, 750×1000, 1200×1600.
Aspect Ratio
3:4
Name
Portrait
Format
BMP
Example size
900×1200, 750×1000, 1200×1600
▸book covers
▸posters
▸product standing shots
▸portrait photography
▸menus
Reduce file size too?
Compress your BMP — instant, browser-based, free.