7-Zip is an open source file archiver with the high compression ratio for ZIP and GZIP formats. It uses its own 7z archive format, but can read and write many other archive formats and offers a significantly higher compression ratio than its peers - up to 40% higher. It is developed by Igor Pavlov and was first released in 1999.
By default, 7-Zip creates 7z-format archives with a .7z file extension. Each archive can contain multiple directories and files. As a container format, security or size reduction are achieved using a stacked combination of filters. These can consist of pre-processors, compression algorithms, and encryption filters.
The core 7z compression uses a variety of algorithms, the most common of which are bzip2, PPMd, LZMA2, and LZMA. Developed by Pavlov, LZMA is a relatively new system, making its debut as part of the 7z format. LZMA uses an LZ-based sliding dictionary of up to 4 GB in size, backed by a range coder.
- Packing / unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM
- Unpacking 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, WIM, XAR and Z.
- High compression ratio
- Strong AES-256 encryption
- Self-extracting capability
- Command line support
- Multiple-core CPU threading
- Integration with Windows Shell
- Plugin for FAR Manager
- Powerful File Manager
Last Update: October 04, 2016
Current Version: 16.04
License: Open Source
Languages: Multiple Languages
Supported Operating Systems:
Windows XP / Vista / 7 / 8 / 8.1 / 10 (32-Bit, 64-Bit)
Developer: Igor Pavlov
- The bug was fixed: 7-Zip 16.03 exe installer under Vista didn't create links in Start / Programs menu.
- Some bugs were fixed in RAR code.