CAB vs XZ
Una comparativa detallada de Windows Cabinet y XZ Compressed — tamaño de archivo, calidad, compatibilidad y cuál elegir según tu flujo de trabajo.
Windows Cabinet
Archives & CompressedCAB (Cabinet) is a Windows archive format used for software installers.
Sobre los archivos CABXZ Compressed
Archives & CompressedXZ provides very high compression ratio using LZMA2, common in Linux packages.
Sobre los archivos XZComparativa de ventajas
CAB Ventajas
- Multi-volume — designed for disk-spanning archives.
- Multiple compression algorithms in one format.
- Native Windows support for 30+ years.
- Authenticode signing integrates with Windows security stack.
- Microsoft-maintained tooling (MAKECAB, EXTRAC32, expand.exe).
XZ Ventajas
- Best-in-class compression ratio among mainstream tools.
- Streaming-capable — can pipe through network.
- Multi-threaded compression available.
- Mature on every Linux distribution.
- Supports integrity checking (CRC32, CRC64, SHA-256).
Limitaciones
CAB Limitaciones
- Windows-only ecosystem — limited Mac/Linux tooling.
- Proprietary container with partial public documentation.
- Overtaken by MSI (which uses CAB internally) for new installers.
- Compression ratios lag modern formats (zstd, xz).
XZ Limitaciones
- Slow compression at high levels — 3-5× slower than gzip.
- Memory-hungry: xz -9 can need 700+ MB to compress.
- 2024 supply-chain backdoor damaged trust in the project.
- Zstandard outperforms xz at similar ratios with less memory.
Especificaciones técnicas
| Especificación | CAB | XZ |
|---|---|---|
| MIME type | application/vnd.ms-cab-compressed | application/x-xz |
| Extension | .cab | — |
| Compression | MSZIP (DEFLATE), Quantum, LZX | — |
| Max volume size | 2 GB per file | — |
| Multi-volume | Yes (split archive spanning) | — |
| Extensions | — | .xz, .txz |
| Algorithm | — | LZMA2 |
| Standard | — | The .xz File Format specification 1.1.0 |
| Integrity checks | — | None, CRC32, CRC64, SHA-256 |
Tamaños típicos de archivo
CAB
- Single driver package 100 KB - 20 MB
- Windows Update patch 1-500 MB
- Service pack archive 200 MB - 2 GB
XZ
- Text/source archive 15-25% of original
- Linux kernel (.tar.xz) ~125 MB
- Firefox source code ~600 MB
¿Listo para convertir?
Convierte entre CAB y XZ online, gratis y sin instalar nada. Subida cifrada, eliminación automática a los 60 minutos.
Preguntas frecuentes
CAB (Windows Cabinet) is an archive format used to bundle multiple files and folders into a single compressed file. The archive preserves the directory structure and typically reduces total size via compression. CAB sits in the archives & compressed family and has specific strengths around compression ratio, speed, or platform support.
CAB (Windows Cabinet) is an archive formato used to bundle multiple arquivos e folders em a single comprimido file. The archive preserves the directory structure e tipicamente reduces total size via compressão. CAB sits no archives & comprimido family e has specific strengths around compressão ratio, speed, ou plataforma support.
7-Zip, WinRAR, The Unarchiver (macOS), and the built-in archive utilities on Windows and macOS open most CAB files. For command-line extraction, 7z, unar, or the format-specific tool handles CAB cleanly. If your extractor does not recognise CAB, convert to ZIP first — ZIP opens on every operating system without extra software.
7-Zip, WinRAR, The Unarchiver (macOS), e the built-in archive utilities no Windows e macOS abrir most CAB files. para command-line extraction, 7z, unar, ou the formato-specific tool handles CAB cleanly. If your extractor does not recognise CAB, converter to ZIP first — ZIP opens on every operating system sem extra software.
Upload the CAB to KaijuConverter and pick ZIP, 7Z, TAR.GZ, or RAR as the target. Our pipeline extracts the original archive and re-compresses the contents into the target format. File permissions, timestamps, and directory structure are preserved where both formats support them.
Depends on the goal. ZIP is the universal baseline — every OS extracts it out of the box. Formats like 7Z or TAR.GZ compress better but require specific tools. CAB may win on compression ratio, password support, or OS integration for specific workflows; ZIP wins on raw compatibility.