BMP vs XCF
Una comparativa detallada de BMP Image y GIMP Image — tamaño de archivo, calidad, compatibilidad y cuál elegir según tu flujo de trabajo.
BMP Image
Raster & Vector ImagesBMP 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.
Sobre los archivos BMPGIMP Image
Raster & Vector ImagesXCF is the native image format for GIMP, supporting layers, channels, and paths.
Sobre los archivos XCFComparativa de ventajas
BMP Ventajas
- 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.
XCF Ventajas
- Native GIMP format — full fidelity for every tool and feature.
- Open, documented spec.
- Supports layers, channels, paths, masks, guides, selections.
- Gzip-compressed variant keeps files compact.
- Backward-compatible since 1995.
Limitaciones
BMP Limitaciones
- 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.
XCF Limitaciones
- Limited ecosystem — Photoshop, Illustrator, and browsers don't open XCF.
- No native CMYK support (a longstanding GIMP limitation).
- 32-bit precision only since GIMP 3.0 (2025).
- Export to PNG/JPEG/PSD is mandatory for client delivery.
Especificaciones técnicas
| Especificación | BMP | XCF |
|---|---|---|
| MIME type | image/bmp | image/x-xcf |
| Extensions | .bmp, .dib | .xcf, .xcf.gz, .xcf.bz2 |
| Compression | None (typical); RLE 4/8 bit (rare) | — |
| Color depths | 1, 4, 8, 16, 24, 32 bits per pixel | — |
| Byte order | Little-endian | — |
| Native to | — | GIMP |
| Bit depths | — | 8, 16, 32-bit per channel (since GIMP 2.10 / 3.0) |
| Color modes | — | RGB, Grayscale, Indexed |
Tamaños típicos de archivo
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
XCF
- Simple 2-layer edit 500 KB - 3 MB
- Website mockup with 20 layers 10-50 MB
- High-res photo composite 100-400 MB
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Preguntas frecuentes
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.