Download 7-Zip 26 for free. This small, easy-to-use file compression and extraction program supports 7z, ZIP, RAR, ISO, TAR, and many other popular file formats. Available in both x64 and x86 versions. Free to use, with Thai language support. Latest version.

What is 7-Zip?

7-Zip is a long-standing, well-known free file compression and extraction program, renowned for its ability to support one of the widest varieties of compressed file formats, including ZIP, RAR, TAR, GZ, BZIP2, XZ, CAB, ISO, and WIM, as well as its own proprietary 7z format, which is famous for its exceptionally high compression ratio. Developed by Igor Pavlov and released as open-source software, it allows all users to download, install, and use it completely free of charge without any limitations.

7-Zip's strength lies in its compression efficiency, particularly for 7z files, which utilize AES-256 encryption and LZMA and LZMA2 compression. This can reduce file sizes by 30 to 70 percent compared to typical compression software, depending on the data type. It also offers multiple compression modes, from archive-only to maximum compression, allowing users to balance speed and file size as needed. Furthermore, it supports splitting compressed files into parts, ideal for transferring large files over size-constrained media.

In terms of usability, 7-Zip is designed to be simple and fast. It integrates with the Windows right-click menu, allowing for one-click file compression or extraction without needing to open the program first. It also offers a command-line mode for advanced users who want to create automated scripts, and a portable version that can be used immediately without installation.

Another important feature is the creation of self-extracting archives, meaning recipients don't need to have 7-Zip installed to extract the files. Additionally, it supports password encryption for compressed files to protect important data and allows users to test the integrity of the compressed file before extracting it.

For users who want a lightweight and fast file compression tool that is truly free, without ads or hidden limitations, 7-Zip is a top choice that is practically universally known and remains the standard for open-source file compression programs to this day. For those who prefer a modern interface based on the same foundation, there are other options available. NanaZip This is another interesting option.

Key Features

7-Zip offers high compression capabilities in the 7z format with LZMA and LZMA2 compression.
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
2-10% offers better compression rates for ZIP and GZIP compared to PKZip and WinZip.
Strong AES-256 encryption in 7z and ZIP formats.
Self-extracting capability for 7oz.
Integration with the Windows Shell.
A powerful file manager.
An efficient command line.
There is a plugin for FAR Manager.
Supports translation in 87 languages.
It supports newer compression methods including LZMA, PPMD, BCJ, BCJ2, BZip2, Deflate, and ZSTD.