BMP vs M2V — Differences, File Size & When to Use Each

BMP vs M2V

A detailed comparison of BMP Image and MPEG-2 Video — file size, quality, compatibility, and which format to choose for your workflow.

Convert M2V → BMP

BMP

BMP Image

Raster & Vector Images

BMP is an uncompressed raster image format native to Windows. Files are large but preserve exact pixel data with no compression artifacts. Rarely used on the web due to file size.

About BMP files

M2V

MPEG-2 Video

Video Files

M2V is an elementary stream file containing only MPEG-2 video data without audio or container overhead. It is commonly produced during DVD authoring and used as an intermediate format when muxing video into DVD-compliant containers.

About M2V files

Strengths Comparison

BMP Strengths

Dead-simple format — trivially easy to read and write.
Lossless and uncompressed — perfect bit-exact pixel storage.
Universally supported in Windows applications since 1985.
Supports 1, 4, 8, 16, 24, and 32-bit color depths.

M2V Strengths

Minimal overhead — raw MPEG-2 video only.
Clean input for DVD authoring pipelines.
Audio separation simplifies multi-language workflows.
Universal decoder support.

Limitations

BMP Limitations

Enormous file sizes — no meaningful compression in typical use.
Not a web format — browsers support it but nobody serves BMPs over HTTP.
No metadata support (no EXIF, no ICC profile in practice).
Multiple header versions mean "a BMP" is ambiguous — parsers must handle several variants.

M2V Limitations

No timecode, no audio — requires companion files.
MPEG-2 is aging; H.264/HEVC compress 2-3× better.
Legacy — DVD authoring is declining.
Consumers don't use .m2v directly.

Technical Specifications

Specification	BMP	M2V
MIME type	image/bmp	video/mpeg
Extensions	.bmp, .dib	—
Compression	None (typical); RLE 4/8 bit (rare)	—
Color depths	1, 4, 8, 16, 24, 32 bits per pixel	—
Byte order	Little-endian	—
Extension	—	.m2v
Codec	—	MPEG-2 video (ISO/IEC 13818-2)
Typical bitrates	—	4-9.8 Mbps (DVD range)
Siblings	—	.mpg/.mpeg (PS with audio), .m2a (audio only)

Typical File Sizes

BMP

Small icon (32×32) 4 KB
Screenshot (1920×1080) ~6 MB
4K image (3840×2160) ~25 MB
Scanned A4 at 300 dpi ~25 MB

M2V

1-min DVD-quality video (6 Mbps) ~45 MB
2-hour DVD-rate video 5-6 GB

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Frequently Asked Questions

BMP (Bitmap) is a raster image format developed by Microsoft for Windows. It stores images with no compression by default, resulting in large file sizes but pixel-perfect quality. It has been part of Windows since version 1.0.

BMP (Bitmap) is a raster image formato developed by Microsoft para Windows. It stores images com no compressão by default, resulting in large tamanho do arquivos mas pixel-perfect quality. It has been part of Windows since version 1.0.

BMP files open in Windows Paint, Photos, macOS Preview, GIMP, Photoshop, and virtually any image viewer. All Windows applications support BMP natively.

BMP arquivos abrir in Windows Paint, Photos, macOS Preview, GIMP, Photoshop, e virtually any image viewer. All Windows aplicativos support BMP natively.

PNG is better than BMP in almost every scenario since it provides lossless compression (smaller files), transparency support, and wider cross-platform use. BMP is mainly relevant for legacy Windows applications.

PNG is melhor que BMP in almost every scenario since it fornece sem perdas compressão (smaller files), transparência support, e wider cross-platform use. BMP is mainly relevant para legacy Windows aplicativos.