Sample BMP Files — Windows Bitmap for Testing
Download free sample BMP files in 4-bit (16-color legacy) and 24-bit (true color) variants. Windows Bitmap is a legacy format used in Windows development and system testing.
BMPsample-100kb.bmp
200×186 · 24-bit · RGB
File details and verification
- Filename
- sample-100kb.bmp
- Exact size
- 111,654 bytes
- Displayed size
- 109 KB
- Catalog status
- Valid catalog fixture
- SHA-256
- c62bbb865d12b284d3a04820b61e8d9e5e18db5a2bdb12825bda0cce37846b4d
- Header signature
- Matched (BMP)
- Verified on
- 2026-08-10
- MIME type
- image/bmp
- Dimensions
- 200 x 186 px
- Bit depth
- 24-bit
- Color space
- RGB
- License
- CC0 / Public Domain
- Download URL
- https://cdn.truefilesize.com/bmp/sample-100kb.bmp
See how TrueFileSize generates and measures sample files, or review the editorial policy.
BMPsample-1mb.bmp
640×480 · 24-bit · RGB
File details and verification
- Filename
- sample-1mb.bmp
- Exact size
- 921,654 bytes
- Displayed size
- 900 KB
- Catalog status
- Valid catalog fixture
- SHA-256
- f35ab78848abfdc19793b6e1fbc9eeadcb644b129e1946d0da70431e268c3ea9
- Header signature
- Matched (BMP)
- Verified on
- 2026-08-10
- MIME type
- image/bmp
- Dimensions
- 640 x 480 px
- Bit depth
- 24-bit
- Color space
- RGB
- License
- CC0 / Public Domain
- Download URL
- https://cdn.truefilesize.com/bmp/sample-1mb.bmp
See how TrueFileSize generates and measures sample files, or review the editorial policy.
BMPsample-4bit.bmp
320×240 · 4-bit
File details and verification
- Filename
- sample-4bit.bmp
- Exact size
- 230,454 bytes
- Displayed size
- 225 KB
- Catalog status
- Valid catalog fixture
- SHA-256
- e116393e57365ff602d427e6cc6dd6ac12832f814b7b3020a1d5484b73f3febb
- Header signature
- Matched (BMP)
- Verified on
- 2026-08-10
- MIME type
- image/bmp
- Dimensions
- 320 x 240 px
- Bit depth
- 4-bit
- License
- CC0 / Public Domain
- Download URL
- https://cdn.truefilesize.com/bmp/sample-4bit.bmp
See how TrueFileSize generates and measures sample files, or review the editorial policy.
BMPsample-24bit.bmp
640×480 · 24-bit · RGB
File details and verification
- Filename
- sample-24bit.bmp
- Exact size
- 921,654 bytes
- Displayed size
- 900 KB
- Catalog status
- Valid catalog fixture
- SHA-256
- f35ab78848abfdc19793b6e1fbc9eeadcb644b129e1946d0da70431e268c3ea9
- Header signature
- Matched (BMP)
- Verified on
- 2026-08-10
- MIME type
- image/bmp
- Dimensions
- 640 x 480 px
- Bit depth
- 24-bit
- Color space
- RGB
- License
- CC0 / Public Domain
- Download URL
- https://cdn.truefilesize.com/bmp/sample-24bit.bmp
See how TrueFileSize generates and measures sample files, or review the editorial policy.
What is BMP used for?
- Legacy Windows application development
- System-level graphics testing (boot screens, BIOS)
- Testing backward compatibility with older image formats
- Embedded systems with limited format support
- Testing uncompressed image handling (no decoding overhead)
Technical specifications
| Format | Windows Bitmap (BMP/DIB) |
| Compression | None (uncompressed) or RLE |
| Bit depths | 1, 4, 8, 16, 24, 32 bits |
| Color support | 16 colors (4-bit) to 16.7M (24-bit) |
| Platform | Windows native, supported everywhere |
Frequently Asked Questions
Is BMP still used?
Why are BMP files so large?
What is 4-bit BMP?
Can browsers display BMP files?
Other image formats
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