7Z vs LZ — Differences, File Size & When to Use Each

7Z vs LZ

Ein detaillierter Vergleich von 7-Zip Archive und Lzip Compressed — Dateigröße, Qualität, Kompatibilität und welches je nach Workflow zu wählen ist.

LZ → 7Z umwandeln

7-Zip Archive

Archives & Compressed

7z uses the LZMA2 compression algorithm to achieve significantly better compression ratios than ZIP. It is open-source and supports strong AES-256 encryption.

Über 7Z-Dateien

Lzip Compressed

Archives & Compressed

Lzip uses LZMA compression with error detection for reliable archiving.

Über LZ-Dateien

Vorteilsvergleich

7Z Vorteile

Outstanding compression ratio — typically 20–50% smaller than ZIP, 10–30% smaller than RAR.
Completely free and open source.
AES-256 encryption of both content and filenames.
Supports enormous archives (16 exabytes).
Multi-threaded compression on modern CPUs.

LZ Vorteile

LZMA compression without xz complexity.
Per-segment CRC32 integrity.
Multi-threaded plzip variant.
GNU FSF endorsement.

Einschränkungen

7Z Einschränkungen

Not natively supported on Windows before Windows 11 23H2 or macOS — requires a separate tool.
Slower compression than ZIP (though decompression is fast).
No built-in recovery records like RAR.
Less ubiquitous in email and casual sharing than ZIP.

LZ Einschränkungen

Tiny ecosystem vs xz.
No native Windows GUI tools.
Rarely default anywhere.

Technische Spezifikationen

Spezifikation	7Z	LZ
MIME type	application/x-7z-compressed	application/x-lzip
Compression	LZMA, LZMA2, PPMd, Bzip2, DEFLATE	—
Max file size	16 EB (exabytes)	—
Encryption	AES-256 (content + filenames)	—
License	LGPL	—
Extension	—	.lz
Algorithm	—	LZMA
Maintainer	—	Antonio Diaz Diaz

Typische Dateigrößen

7Z

Source code archive ~50% smaller than ZIP
Linux distro installer 2–10 GB
Virtual machine disk image 5–40 GB

LZ

Source tarball compressed 15-25% of original

Bereit zum Umwandeln?

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LZ zu 7Z umwandeln

Häufig gestellte Fragen

7Z is an open-source archive format from the 7-Zip project. It uses the LZMA2 compression algorithm which achieves significantly better compression ratios than ZIP or RAR, making it ideal for archiving large files and datasets.

7Z is an open-source archive formato de the 7-Zip project. It uses the LZMA2 compressão algorithm which achieves significantly better compressão ratios than ZIP ou RAR, making it ideal para archiving large arquivos e datasets.

7Z files open with 7-Zip (free, Windows), PeaZip (cross-platform, free), Keka (macOS), and The Unarchiver (macOS). Windows does not natively support 7Z, so third-party software is required.

7Z arquivos abrir com 7-Zip (free, Windows), PeaZip (cross-platform, grátis), Keka (macOS), e The Unarchiver (macOS). Windows does not natively support 7Z, so third-party software is required.

Use 7Z when maximum compression is the priority, such as software distribution and backups. Use ZIP when the recipient needs to open the file without installing extra software, since ZIP is natively supported everywhere.

Use 7Z when máximo compressão is the priority, como software distribution e backups. usar ZIP when the recipient needs to abrir o arquivo sem installing extra software, since ZIP is natively suportado everywhere.