7-Zip Features

High Compression Ratio

• 7z format with LZMA and LZMA2 compression provides excellent compression ratios
• 2-10% better compression than PKZip and WinZip for ZIP and GZIP formats
• Support for multiple compression methods: LZMA, LZMA2, PPMd, BZip2, Deflate
• Adjustable compression levels from "Store" to "Ultra"

Extensive Format Support

Pack and Unpack:

7z, XZ, BZIP2, GZIP, TAR, ZIP, and WIM

Unpack Only:

AR, ARJ, CAB, CHM, CPIO, CramFS, DMG, EXT, FAT, GPT, HFS, IHEX, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, QCOW2, RAR, RPM, SquashFS, UDF, UEFI, VDI, VHD, VMDK, XAR, and Z

Security and Encryption

• Strong AES-256 encryption in 7z and ZIP formats
• Password protection for archives
• Secure file handling
• File integrity verification

User Interface

• Powerful File Manager with dual-pane interface
• Integration with Windows Shell (context menu)
• Drag and drop support
• Localizations for 87 languages
• Customizable toolbar and interface

Advanced Features

• Self-extracting capability for 7z format
• Solid compression for better ratios
• Multi-volume archives (split archives)
• Archive recovery
• Command line version for automation
• Plugin for FAR Manager

Performance

• Multi-threading support for faster compression
• Optimized algorithms for speed and ratio
• Efficient memory usage
• Fast extraction and compression