7-Zip
7-Zip is a
file archiver with a high compression ratio.
Download 7-Zip 16.02 (2016-05-21) for Windows:
Link
|
Type
|
Windows
|
Size
|
.exe
|
32-bit
x86
|
1
MB
|
|
.exe
|
64-bit
x64
|
1
MB
|
License
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.
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 / 2012 / 2008 / 2003 / 2000 / NT. There is a
port of the command line version to Linux/Unix.
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.
Archiver
|
Mozilla
Firefox
|
Google
Earth
|
||
65
files
85 280 391 bytes |
483
files
110 700 519 bytes |
|||
Compressed
size
|
Ratio
|
Compressed
size
|
Ratio
|
|
7-Zip 9.35
-mx |
39
357 375
|
100%
|
15
964 369
|
100%
|
WinRAR 5.20
-m5 -s -ma5 -md128m |
41
789 543
|
106%
|
17
035 432
|
107%
|
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.
