BMP (Bitmap Image File) is a BMP format commonly used for legacy Windows graphics, raw raster interchange, diagnostic test images. This guide covers compatibility, compression, transparency, and conversion choices.
| Feature | Support |
|---|---|
| Transparency | depends |
| Animation | No |
| Primary uses | legacy Windows assets, simple interchange, debugging raw raster data |
Extension
.bmp
Compression
uncompressed_or_lossless
Browser support
limited
Inventor
Microsoft
Inventor organization
Microsoft
Origin year
1987
Simple structure
Broad desktop readability
Large files
Poor web suitability
BMP is a raster format commonly associated with legacy Windows assets, simple interchange, debugging raw raster data. It should be explained with its compression, transparency, metadata, browser support, and conversion tradeoffs rather than as a generic upload option.
BMP origin and standardization should be reviewed against the source references before publication.
Choose conversion targets based on BMP compression, transparency, animation, metadata, and compatibility requirements.
Quality behavior depends on BMP compression: uncompressed_or_lossless.
Uploaded files may contain metadata. Preserve color profiles intentionally and strip GPS/Exif when privacy matters.
Common on Windows and many image editors; poor web delivery choice.
format slug
bmp
inventor
Microsoft
strengths
Simple structure, Broad desktop readability
use cases
legacy Windows assets, simple interchange, debugging raw raster data
weaknesses
Large files, Poor web suitability
color depth
1, 4, 8, 15, 16, 24, 32, and sometimes 64 bits per pixel.
compression
uncompressed_or_lossless
origin year
1987
standard owner
Microsoft
browser support
limited
metadata support
limited headers, color profiles in newer variants
software support
Common on Windows and many image editors; poor web delivery choice.
animation support
none
compression method
Usually uncompressed; some BMP variants support RLE or bitfields.
best source formats
png, jpg
best target formats
png, jpg, webp
transparency support
depends
inventor organization
Microsoft
BMP transparency support is: depends. Choose a target format with alpha support when transparent backgrounds matter.
Convert BMP when another format better matches compatibility, file size, transparency, metadata, or editing needs.
BMP is best suited to legacy Windows assets, simple interchange, debugging raw raster data.
BMP compression behavior is: uncompressed_or_lossless.
Strip GPS and personal metadata for public sharing. Preserve ICC/color profiles when appearance matters.
Browser support is: limited.
Microsoft Learn - official_vendor_doc
Microsoft Learn - official_vendor_doc