7-ZIP Portable
7-Zip是一款完全免费而且开源的压缩软件，相比其他软件有更高的压缩比而且相对于WinRAR不会消耗大量资源。
7-Zip是基于GNU LGPL协议发布的软件，通过全新算法使压缩比率大幅提升
支持格式：
压缩 / 解压缩：7z, XZ, BZIP2, GZIP, TAR, ZIP 和 WIM
仅解压缩：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 以及 Z
对于ZIP和GZIP格式，7-Zip能提供比使用 PKZip 及WinZip 高2~10%的压缩比率
7z 格式支持创建自解压(SFX)压缩文件
7z 格式支持加密功能(AES-256)
集成Windows外壳扩展
强大的文件管理能力
强大的命令行版本支持 FAR Manager插件
支持79种语言,包括简体中文
7-Zip适用于Windows 10 / 8 / 7 / Vista / XP / 2019 / 2016 / 2012 / 2008 / 2003 / 2000 / NT。并且7-Zip有面向Linux、Unix平台的命令行版本。支持x86 x86_64 ARM64 处理器
测试
测试1.MP3 4M 可压缩为3.5M
将测试1.mp3 用WINHEX 修改部分数据保存为 测试1改.mp3 4m
测试1.mp3 + 测试1改.mp3 一共 8M数据
用7-ZIP 标准 6M字典 固体压缩， 可以压缩到 3.6--3.8M.
用7-ZIP 标准 6M字典 非固体压缩，只能压缩到 7M左右
开源免费，轻巧便携。与同类收费软件功能相当
对于 ZIP 及 GZIP 格式，7-Zip 能提供比使用 PKZip 及 WinZip 高 2-10% 的压缩比
提供更完善的 AES-256 加密算法;可以利用7-zip内置命令创建体积小巧的自动释放安装包
与Windows 资源管理器紧密集成；强大的文件管理器；更给力的命令行版；支持 FAR Manager 插件；
支持对7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM等格式的压缩/解压缩!
仅解压缩：ARJ, CAB, CHM, CPIO, CramFS, DEB, DMG, FAT, HFS, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, RAR, RPM, SquashFS, UDF, VHD, WIM, XAR, Z
7-Zip is a completely free and open source compression software that has a higher compression ratio compared to other software and does not consume a lot of resources compared to WinRAR.
7-Zip is a software released based on the GNU LGPL protocol, which significantly improves compression ratios through a new algorithm
Supported formats:
Compression/decompression: 7z, XZ, BZIP2, GZIP, TAR, ZIP, and WIM
Decompression 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 can provide a compression ratio of 2-10% higher than using PKZip and WinZip
7z format supports creating self extracting (SFX) compressed files
7z format supports encryption function (AES-256)
Integrated Windows Shell Extension
Powerful file management capabilities
Powerful command-line version supports FAR Manager plugin
Supports 79 languages, including Simplified Chinese
7-Zip is suitable for Windows 10/8/7/Vista/XP/2019/2016/2012/2008/2003/2000/NT. And 7-Zip has command line versions for Linux and Unix platforms. Supports x86 x86_ 64 ARM64 processor
test
Test 1. MP3 4M can be compressed to 3.5M
Save some data modified with WINHEX for Test 1. mp3 as Test 1. mp3 4m
Test 1. MP3+Test 1: Modified. mp3, with a total of 8M data
Using the 7-ZIP standard 6M dictionary solid state compression, it can be compressed to 3.6-3.8M
Using the 7-ZIP standard 6M dictionary for non solid compression, it can only be compressed to around 7M
Open source is free, lightweight and portable. Equivalent to similar paid software functions
For ZIP and GZIP formats, 7-Zip can provide a compression ratio of 2-10% higher than using PKZip and WinZip
Provide a more comprehensive AES-256 encryption algorithm; You can use the 7-zip built-in command to create a compact automatic release installation package
Tight integration with Windows Explorer; Powerful file manager; Awesome command line version; Support FAR Manager plugin;
Support compression/decompression of formats such as 7z, XZ, BZIP2, GZIP, TAR, ZIP, and WIM!
Decompression only: ARJ, CAB, CHM, CPIO, CramFS, DEB, DMG, FAT, HFS, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, RAR, RPM, SquashFS, UDF, VHD, WIM, XAR, Z