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6 <META name="keywords" content=", archiver, compression, zip, best, compress,
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7 high, ratio, free, gnu, lgpl, unzip, far, win32, 7zip, long, file, names">
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10 <TABLE cellspacing=10 cellpadding=10 border=0 width="100%"><TR>
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11 <TD class="MenuColumn" valign="top">
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12 <TABLE cellpadding=2 cellspacing=0 border=0 width="100%">
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13 <TR><TD><IMG width=110 height=63 src="/7ziplogo.png" alt="7-Zip" border=0></TD></TR>
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14 <TR><TD><HR></TD></TR></TABLE>
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15 <TABLE cellpadding="2" cellspacing="0" border="0">
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16 <TR><TD><SPAN class="MenuCurrent">Home</SPAN></TD></TR>
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17 <TR><TD><A href="7z.html" class="MenuLink">7z Format</A></TD></TR>
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18 <TR><TD><A href="sdk.html" class="MenuLink">LZMA SDK</A></TD></TR>
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19 <TR><TD><A href="download.html" class="MenuLink">Download</A></TD></TR>
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24 <TABLE cellpadding=2 cellspacing=0 border=0 width="100%">
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25 <TR><TD><HR></TD></TR>
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26 <TR><TD><A href="http://sourceforge.net/projects/sevenzip/"><IMG src="http://sourceforge.net/sflogo.php?group_id=14481&type=11" width=120 height=30 border=0 alt="7-Zip at SourceForge.net"></A></TD></TR>
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28 <TR><TD><HR></TD></TR>
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33 <A href="http://7-zip.hit.bg/">Bulgarian</A><BR>
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34 <A href="http://sparanoid.com/lab/7z/">Chinese Simpl.</A><BR>
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35 <A href="http://www.developershome.com/7-zip/">Chinese Trad.</A><BR>
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36 <A href="http://www.spiroo.be/7zip/">French</A><BR>
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37 <A href="http://sevenzip.sourceforge.jp/">Japanese</A><BR>
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38 <A href="http://7zip.rnbastos.com/">Portuguese Brazil</A><BR>
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39 <A href="http://7-zip.org.ua/ru/">Russian</A><BR>
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40 <A href="http://7-zip.org.ua/">Ukrainian</A><BR>
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47 <TABLE cellspacing ="4" cellpadding ="4"><TR>
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53 <P><B>7-Zip</B> is a file archiver with a high compression ratio.</P>
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55 <P><B>Download 7-Zip 9.20 (2010-11-18) for Windows</B>:</P>
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56 <TABLE cellspacing ="1" cellpadding ="6" border = "0">
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58 <TH class="Title" align="center" width=60>Link</TH>
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59 <TH class="Title" align="center" width=60>Type</TH>
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60 <TH class="Title" align="center" width=80>Windows</TH>
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61 <TH class="Title" align="center" width=55>Size</TH>
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64 <TD class="Item" align="center"><A href="http://downloads.sourceforge.net/sevenzip/7z920.exe">Download</A></TD>
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65 <TD class="Item" align="center">.exe</TD>
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66 <TD class="Item" align="center">32-bit x86</TD>
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67 <TD class="Item" align="center">1 MB</TD>
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70 <TD class="Item" align="center"><A href="http://downloads.sourceforge.net/sevenzip/7z920-x64.msi">Download</A></TD>
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71 <TD class="Item" align="center">.msi</TD>
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72 <TD class="Item" align="center">64-bit x64</TD>
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73 <TD class="Item" align="center">1 MB</TD>
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77 <P>The download links above redirect you to download pages on SourceForge.net</P>
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81 <P><B>7-Zip</B> is <B>open source</B> software. Most of the source code is under the <B>GNU LGPL</B> license.
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82 The unRAR code is under a mixed license: GNU LGPL + unRAR restrictions. Check
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83 license information here: <A href="license.txt">7-Zip license</A>.</P>
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85 <P>You can use 7-Zip on any computer, including a computer in a commercial organization.
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86 You don't need to register or pay for 7-Zip.</P>
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88 <H2>The main features of 7-Zip</H2>
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90 <LI>High compression ratio in <A href ="7z.html">7z format</A> with <B>LZMA</B> and <B>LZMA2</B> compression</LI>
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91 <LI>Supported formats:
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93 <LI>Packing / unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM</LI>
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94 <LI>Unpacking only: ARJ, CAB, CHM, CPIO, CramFS, DEB, DMG, FAT, HFS, ISO, LZH, LZMA,
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95 MBR, MSI, NSIS, NTFS, RAR, RPM, SquashFS, UDF, VHD, WIM, XAR and Z.</LI>
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98 <LI>For ZIP and GZIP formats, <B>7-Zip</B> provides a compression ratio that
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99 is 2-10 % better than the ratio provided by PKZip and WinZip</LI>
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100 <LI>Strong AES-256 encryption in 7z and ZIP formats</LI>
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101 <LI>Self-extracting capability for 7z format</LI>
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102 <LI>Integration with Windows Shell</LI>
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103 <LI>Powerful File Manager</LI>
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104 <LI>Powerful command line version</LI>
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105 <LI>Plugin for FAR Manager</LI>
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106 <LI>Localizations for 79 languages</LI>
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109 <IMG width="352" height="320" src="7zfm.png" alt="7-Zip" border="0">
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111 <P><B>7-Zip</B> works in Windows 7 / Vista / XP / 2008 / 2003 / 2000 / NT / ME / 98.
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112 There is a port of the command line version to Linux/Unix.</P>
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114 <P>On <A href="http://sourceforge.net/projects/sevenzip/">7-Zip's Source Forge Page</A>
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115 you can find a forum, bug reports, and feature request systems.</P>
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117 <H2>Compression ratio</H2>
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119 <P>We compared <B>7-Zip</B> with some of the leading archivers.</P>
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121 <P><B>FILE SETS:</B>
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122 <A href="http://www.mozilla.org/products/firefox/">Mozilla Firefox</A> 1.0.7 for Windows
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124 <A href="http://earth.google.com/">Google Earth</A> 3.0.0616 for Windows
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125 after full installation.</P>
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127 <TABLE cellspacing ="2" cellpadding ="6">
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129 <TH class="Title" rowspan = 3>Archiver</TH>
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130 <TH class="Title" align="center" colspan = 2>Mozilla Firefox</TH>
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131 <TH class="Title" align="center" colspan = 2>Google Earth</TH>
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134 <TH class="Title" align="center" colspan = 2>161 files<BR>15,684,168 bytes</TH>
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135 <TH class="Title" align="center" colspan = 2>115 files<BR>23,530,652 bytes</TH>
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138 <TH class="Title" align="center">Compressed size</TH>
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139 <TH class="Title" align="center">Ratio</TH>
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140 <TH class="Title" align="center">Compressed size</TH>
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141 <TH class="Title" align="center">Ratio</TH>
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144 <TD class="Item"><B>7-Zip 4.23 (7z format)</B></TD>
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145 <TD class="Item" align="center"><B>4621135</B></TD>
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146 <TD class="Item" align="center"><B>100%</B></TD>
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147 <TD class="Item" align="center"><B>6109183</B></TD>
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148 <TD class="Item" align="center"><B>100%</B></TD>
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151 <TD class="Item">WinRAR 3.50</TD>
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152 <TD class="Item" align="center">5021556</TD>
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153 <TD class="Item" align="center">109%</TD>
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154 <TD class="Item" align="center">6824892</TD>
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155 <TD class="Item" align="center">112%</TD>
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158 <TD class="Item">CABARC 5.1</TD>
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159 <TD class="Item" align="center">5131393</TD>
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160 <TD class="Item" align="center">111%</TD>
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161 <TD class="Item" align="center">7434325</TD>
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162 <TD class="Item" align="center">122%</TD>
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165 <TD class="Item">WinZip 10.0 beta (maximum-PPMd)</TD>
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166 <TD class="Item" align="center">5277118</TD>
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167 <TD class="Item" align="center">114%</TD>
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168 <TD class="Item" align="center">8200708</TD>
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169 <TD class="Item" align="center">134%</TD>
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172 <TD class="Item"><B>7-Zip 4.23 (zip format)</B></TD>
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173 <TD class="Item" align="center"><B>6222627</B></TD>
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174 <TD class="Item" align="center"><B>135%</B></TD>
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175 <TD class="Item" align="center"><B>8909446</B></TD>
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176 <TD class="Item" align="center"><B>146%</B></TD>
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179 <TD class="Item">WinZip 10.0 beta (maximum-portable)</TD>
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180 <TD class="Item" align="center">6448666</TD>
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181 <TD class="Item" align="center">140%</TD>
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182 <TD class="Item" align="center">9153898</TD>
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183 <TD class="Item" align="center">150%</TD>
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187 <P>Compression ratio results are very dependent upon the data used for the tests.
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188 Usually, <B>7-Zip</B> compresses to 7z format 30-70% better than to zip format.
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189 And <B>7-Zip</B> compresses to zip format 2-10% better than most of other zip compatible programs.</P>
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192 <TD vAlign=top align=right width=210>
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195 <form action="http://www.google.com/cse" id="cse-search-box">
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197 <input type="hidden" name="cx" value="partner-pub-8875464887834608:2ol7pke0upx" />
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198 <input type="hidden" name="ie" value="UTF-8" />
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199 <input type="text" name="q" size="18" />
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200 <input type="submit" name="sa" value="Search" />
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203 <script type="text/javascript" src="http://www.google.com/cse/brand?form=cse-search-box&lang=en"></script>
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207 <TABLE class=News cellpadding=3 cellspacing=1 border=0>
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208 <TR class=NewsHeader>
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209 <TD class=NewsTitle>7-Zip 9.20</TD>
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210 <TD class=NewsDate>2010-11-18</TD></TR>
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212 <TD class=NewsText colSpan=2>
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213 <A href="/history.txt">History of 7-zip changes</A><BR>
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220 <TABLE class=News cellpadding=3 cellspacing=1 border=0>
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221 <TR class=NewsHeader>
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222 <TD class=NewsTitle>7-Zip 9.18 beta</TD>
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223 <TD class=NewsDate>2010-11-02</TD></TR>
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225 <TD class=NewsText colSpan=2>
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226 SquashFS and CramFS support.<BR>
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233 <TABLE class=News cellpadding=3 cellspacing=1 border=0>
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234 <TR class=NewsHeader>
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235 <TD class=NewsTitle>7-Zip 9.17 beta</TD>
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236 <TD class=NewsDate>2010-10-04</TD></TR>
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238 <TD class=NewsText colSpan=2>
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239 Disk fragmentation problem for ZIP archives created by 7-Zip was fixed.
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245 <TABLE class=News cellpadding=3 cellspacing=1 border=0>
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246 <TR class=NewsHeader>
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247 <TD class=NewsTitle>7-Zip 9.16 beta</TD>
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248 <TD class=NewsDate>2010-09-08</TD></TR>
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250 <TD class=NewsText colSpan=2>
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251 Improved support for TAR and NSIS
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258 <TABLE class=News cellpadding=3 cellspacing=1 border=0>
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259 <TR class=NewsHeader>
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260 <TD class=NewsTitle>LZMA SDK 9.12 beta</TD>
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261 <TD class=NewsDate>2010-03-24</TD></TR>
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263 <TD class=NewsText colSpan=2>
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264 <A href="./sdk.html">PPMd support</A>
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274 <P><SMALL>Copyright (C) 2011 Igor Pavlov.</SMALL></P>
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