X-Git-Url: http://git.osdn.jp/view?a=blobdiff_plain;f=www.7-zip.org%2Findex.html;h=a1223036167bfe6f39bd927915c469731c2d5aad;hb=HEAD;hp=a7115469576e46c29d43f268ed38b3730e529e41;hpb=35e0501bdc3a4b33cb62f4a48d86a94cfcb800c9;p=sevenzip%2F7-Zip.git diff --git a/www.7-zip.org/index.html b/www.7-zip.org/index.html index a711546..a122303 100644 --- a/www.7-zip.org/index.html +++ b/www.7-zip.org/index.html @@ -1,252 +1,234 @@ - - - - -7-Zip - - - - - -
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7-Zip
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- -

Welcome to the 7-Zip Home!

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7-Zip is a file archiver with a high compression ratio.

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Download 7-Zip 4.62 (2008-12-02) for Windows:

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LinkTypeWindowsSize
Download.exe32-bit911 KB
Download.msix641186 KB
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The download links above redirect you to download pages on SourceForge.net

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License

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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. Check -license information here: 7-Zip license.

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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. But you can make a donation to support further development of 7-Zip.

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The main features of 7-Zip

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  • High compression ratio in new 7z format with LZMA compression
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  • Supported formats: -
      -
    • Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR
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    • Unpacking only: RAR, CAB, ISO, ARJ, LZH, CHM, MSI, WIM, Z, CPIO, RPM, DEB and NSIS
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    -
    • -
  • For ZIP and GZIP formats, 7-Zip provides a compression ratio that - is 2-10 % better than the ratio provided by PKZip and WinZip
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  • Strong AES-256 encryption in 7z and ZIP formats
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  • Self-extracting capability for 7z format
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  • Integration with Windows Shell
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  • Powerful File Manager
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  • Powerful command line version
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  • Plugin for FAR Manager
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  • Localizations for 69 languages
    • -
- -7-Zip - -

7-Zip works in Windows 98/ME/NT/2000/XP/Vista. There is a port of the -command line version to Linux/Unix.

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On 7-Zip's Source Forge Page -you can find a forum, bug reports, and feature request systems.

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Compression ratio

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We compared 7-Zip with some of the leading archivers.

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FILE SETS: -Mozilla Firefox 1.0.7 for Windows -and -Google Earth 3.0.0616 for Windows -after full installation.

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ArchiverMozilla FirefoxGoogle Earth
161 files
15,684,168 bytes		115 files
23,530,652 bytes
Compressed sizeRatioCompressed sizeRatio
7-Zip 4.23 (7z format)4621135100%6109183100%
WinRAR 3.505021556109%6824892112%
CABARC 5.15131393111%7434325122%
WinZip 10.0 beta (maximum-PPMd)5277118114%8200708134%
7-Zip 4.23 (zip format)6222627135%8909446146%
WinZip 10.0 beta (maximum-portable)6448666140%9153898150%
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Compression ratio results are very dependent upon the data used for the tests. -Usually, 7-Zip compresses to 7z format 30-70% better than to zip format. -And 7-Zip compresses to zip format 2-10% better than most of other zip compatible programs.

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Subscribe to 7-Zip News
- To subscribe to notifications about new versions of 7-Zip, - send a blank email to:
- 7-Zip-subscribe@topica.com -
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- 7-Zip CCA Awards

-

7-Zip is a winner in the SourceForge.net Community Choice Awards 2007 in two categories:

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  • Best Project
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  • Best Technical Design
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7-Zip 4.622008-12-02
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  • LZMA compression for .ZIP archives -
  • Some bugs were fixed -
    - Read about all changes -
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    - - - - - - - - -
    LZMA SDK 4.622008-12-02
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  • LZMA SDK is placed in the public domain -
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    - - -
    - -

    Copyright (C) 2008 Igor Pavlov.

    -
    + + + + +7-Zip + + + + + +
    + + +
    7-Zip
    + + + + + + + + +
    Home
    7z Format
    LZMA SDK
    Download
    FAQ
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    Links
    + + +
    + +

    +English
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    +French
    +German
    +Indonesian
    +Japanese
    +Portuguese Brazil
    +Spanish
    +Thai
    +Vietnamese
    +

    + +    		 + + + + + +
    + +

    7-Zip

    + +

    7-Zip is a file archiver with a high compression ratio.

    + +

    Download 7-Zip 19.00 (2019-02-21) for Windows:

    + + + + + + + + + + + + + + + + + + + +
    LinkTypeWindowsSize
    Download.exe32-bit x861 MB
    Download.exe64-bit x641 MB
    + +
    +

    Download 7-Zip 20.00 alpha (2020-02-06) for Windows:

    + + + + + + + + + + + + + + + + + + + +
    LinkTypeWindowsSize
    Download.exe32-bit x861 MB
    Download.exe64-bit x641 MB
    + + +

    License

    + +

    7-Zip is free software with open source. +The most of the code is under the GNU LGPL license. +Some parts of the code are under the BSD 3-clause License. +Also there is unRAR license restriction for some parts of the code. +Read 7-Zip License information.

    + +

    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

    +
      +
    • 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: 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.
        • +
      +
      • +
    • 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 87 languages
      • +
    + +

    7-Zip works in Windows 10 / 8 / 7 / Vista / XP / 2016 / 2012 / 2008 / 2003 / 2000 / NT.

    + +

    p7zip - the port of the command line version of 7-Zip to Linux/Posix.

    + +

    On 7-Zip's SourceForge Page +you can find a forum, bug reports, and feature request systems.

    + +

    Compression ratio

    + +

    We compared 7-Zip with WinRAR 5.20.

    + +

    FILE SETS: Mozilla Firefox 34.0.5 for Windows and Google Earth 6.2.2.6613 for Windows.

    + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
    ArchiverMozilla FirefoxGoogle Earth
    65 files
    85 280 391 bytes    		483 files
    110 700 519 bytes
    Compressed sizeRatioCompressed sizeRatio
    7-Zip 9.35
    -mx    		39 357 375100%15 964 369100%
    WinRAR 5.20
    -m5 -s -ma5 -md128m    		41 789 543106%17 035 432107%
    + +

    Compression ratio results are very dependent upon the data used for the tests. +Usually, 7-Zip compresses to 7z format 30-70% better than to zip format. +And 7-Zip compresses to zip format 2-10% better than most of other zip compatible programs.

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    7-Zip 20.002020-02-06
    + 7-Zip 20.00 alpha
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    + +
    + + + + + + + + +
    7-Zip 19.002019-02-21
    + 7-Zip 19.00
    +
    + + +
    + +
    + +
    + + + + + + +
    7-Zip ChangeLog
    + History of 7-zip changes
    +
    + +
    + + +
    +

    Copyright (C) 2019 Igor Pavlov. The site is hosted at Digital Ocean

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