7-Zip 19.02 alpha


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 new 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

What's new after 7-Zip 19.00:

  • 7-Zip now can unpack files encoded with Base64 encoding (b64 filename extension).
  • 7-Zip now can use new x86/x64 hardware instructions for SHA-1 and SHA-256, supported by AMD Ryzen and latest Intel CPUs: Ice Lake and Goldmont.

It increases

  • the speed of SHA-1/SHA-256 hash value calculation,
  • the speed of encryption/decryption in zip AES,
  • the speed of key derivation for encryption/decryption in 7z/zip/rar archives.

The speed of zip AES encryption and 7z/zip/rar AES decryption was increased with
the following improvements:

  • 7-Zip now can use new x86/x64 VAES (AVX Vector AES) instructions, supported by
  • Intel Ice Lake CPU.
  • The existing code of x86/x64 AES-NI was improved also.
  • There is 2% speed optimization in 7-Zip benchmark's decompression.
  • Some bugs were fixed.

Download: 7-Zip 19.02 (32-bit) | ~1.5 MB (Open Source)
Download: 7-Zip 19.02 (64-bit)
Download: 7-Zip Theme Manager 2.1
View: 7-Zip Website | Release Announcement

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