7-Zip is a open source file archiver with a high compression ratio. The program supports 7z, XZ, BZIP2, GZIP, TAR, ZIP, WIM, ARJ, CAB, CHM, CPIO, CramFS, DEB, DMG, FAT, HFS, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, RAR, RPM, SquashFS, UDF, VHD, WIM, XAR, Z. Most of the source code is under the GNU LGPL license. The unRAR code is under a mixed license: GNU LGPL + unRAR restrictions. Check license information here: 7-Zip license.
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.
The main features of 7-Zip are:
- High compression ratio in 7z format with LZMA compression
- Compression ratio for ZIP and GZIP formats: 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 74 languages
7-Zip 21.05 changelog:
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The window "Add to Archive" now allows to set a limit on memory usage (RAM) that will be used for compressing.
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New switch -mmemuse={N}g / -mmemuse=p{N} to set a limit on memory usage (RAM) for compressing and decompressing.
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Some bugs were fixed.
Changes in v21.06:
- The window "Add to Archive" now allows to set a limit on memory usage (RAM) that will be used for compressing.
- New switch -mmemuse={N}g / -mmemuse=p{N} to set a limit on memory usage (RAM) for compressing and decompressing.
- Bug in versions 21.00-21.05 was fixed: 7-Zip didn"t set attributes of directories during archive extracting.
- Some bugs were fixed.
Download: 7-Zip 21.06 (64-bit) | 1.4 MB (Open Source)
Download: 7-Zip 21.06 (32-bit) | 1.1 MB
View: 7-Zip Website | Release Announcement