7-Zip Is Open Source Software. Most Of The Source Code Is Under The GNU LGPL License. The UnRAR Code Is Under A Mixed License: GNU LGPL + UnRAR Restrictions.
7-Zip Is A File Archiver With A High Compression Ratio.
You Can Use 7-Zip On Any Computer, Including A Computer In A Commercial Organization. You Don't Need To Register Or Pay For 7-Zip.
Features:
- High Compression Ratio In 7z Format With LZMA And LZMA2 Compression
- Supported Formats:
- Packing / Unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP And WIM
- Unpacking Only: ARJ, CAB, CHM, CPIO, CramFS, DEB, DMG, FAT, HFS, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, RAR, RPM, SquashFS, UDF, VHD, WIM, XAR And Z.
- For ZIP And GZIP Formats, 7-Zip Provides A Compression Ratio That Is 2-10 % Better Than The Ratio Provided By PKZip And WinZip
- Strong AES-256 Encryption In 7z And ZIP Formats
- Self-extracting Capability For 7z Format
- Integration With Windows Shell
- Powerful File Manager
- Powerful Command Line Version
- Plugin For FAR Manager
- Localizations For 79 Languages