CAB vs LZ4
Ein detaillierter Vergleich von Windows Cabinet und LZ4 Compressed — Dateigröße, Qualität, Kompatibilität und welches je nach Workflow zu wählen ist.
Windows Cabinet
Archives & CompressedCAB (Cabinet) is a Windows archive format used for software installers.
Über CAB-DateienLZ4 Compressed
Archives & CompressedLZ4 is an extremely fast lossless compression algorithm focused on speed over compression ratio. It can compress at over 500 MB/s per core and decompress at multiple GB/s, making it the standard choice for real-time and in-memory compression.
Über LZ4-DateienVorteilsvergleich
CAB Vorteile
- 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).
LZ4 Vorteile
- Decompression speed — approaches memcpy throughput.
- Very fast compression — can keep up with SSD write speeds.
- Stable format — reference implementation unchanged for years.
- Widely deployed in databases, filesystems, and kernels.
- BSD-licensed library.
Einschränkungen
CAB Einschränkungen
- 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).
LZ4 Einschränkungen
- Compression ratio lags gzip by 20-30%.
- Not designed for long-term archival where ratio matters.
- Older than zstd, which beats LZ4 at comparable speed at slightly better ratio.
- Rare as a user-facing format — lives mostly inside databases and filesystems.
Technische Spezifikationen
| Spezifikation | CAB | LZ4 |
|---|---|---|
| MIME type | application/vnd.ms-cab-compressed | application/x-lz4 |
| Extension | .cab | — |
| Compression | MSZIP (DEFLATE), Quantum, LZX | — |
| Max volume size | 2 GB per file | — |
| Multi-volume | Yes (split archive spanning) | — |
| Extensions | — | .lz4 |
| Algorithm | — | LZ77 variant with fast byte-level parsing |
| License | — | BSD 2-Clause (library), GPL v2 (CLI) |
| Typical integrations | — | Linux kernel, ZFS, Kafka, RocksDB, Cassandra |
Typische Dateigrößen
CAB
- Single driver package 100 KB - 20 MB
- Windows Update patch 1-500 MB
- Service pack archive 200 MB - 2 GB
LZ4
- Text file 40-60% of original
- Already-compressed data (JPEG, MP4) 99%+ (no gain)
- Database page (typical) 55-70% of original
Bereit zum Umwandeln?
Wandle zwischen CAB und LZ4 online um, kostenlos und ohne Installation. Verschlüsselter Upload, automatische Löschung in 60 Minuten.
Häufig gestellte Fragen
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.