Z EXTRACTOR CODE IS UNDER
Z EXTRACTOR GENERATOR WAS IMPROVED

Z Extractor Code Is Under

High compression ratio in new 7z format with LZMA compression You don't need to register or pay for 7-Zip. The unRAR code is under a mixed license: GNU LGPL + unRAR restrictions.You can use 7-Zip on any computer, including a computer in a commercial organization. Most of the source code is under the GNU LGPL license. 7-Zip is open source software. Rar Zip Extractor Pro for Windows.

Strong AES-256 encryption in 7z and ZIP formats For ZIP and GZIP formats, 7-Zip provides a compression ratio that is 2-10 % better than the ratio provided by PKZip and WinZip Unpacking only: RAR, CAB, ISO, ARJ, LZH, CHM, MSI, WIM, Z, CPIO, RPM, DEB and NSIS

Z Extractor Generator Was Improved

The speed for single-thread LZMA/LZMA2 decoding was increased by 30% in x64 version and by 3% in x86 version. Encryption strength for 7z archives was increased: the size of random initialization vector was increased from 64-bit to 128-bit, and the pseudo-random number generator was improved. Added download mirror for portable version. There is a port of the command line version to Linux/Unix.

7-Zip now shows Properties (Info) window and CRC/SHA results window as 'list view' window instead of 'message box' window. The speed for LZMA/LZMA2 compressing was increased by 8% for fastest/fast compression levels and by 3% for normal/maximum compression levels. 7-Zip now can use multi-threading for xz decoding, if there are multiple blocks in xz stream.

Windows 7Z Extractor