There are many alternatives to 7-Zip for Windows if you are looking for a replacement. The best open source Windows alternative is PeaZip. If that doesn't suit you, our users have ranked more than 100 alternatives to 7-Zip and many of them are open source and available for Windows so hopefully you can find a suitable replacement. Other interesting open source Windows alternatives to 7-Zip are NanaZip, Ark, 7-Zip ZS and FreeArc.
PeaZip is a cross-platform file archiver like 7-Zip, supporting prevalent formats with added features like drag-and-drop and Explorer integration. It offers a user-friendly interface admired for ease of use, while maintaining high performance and security across Windows, Mac, and Linux.
NanaZip, a fork of 7-Zip, offers enhanced integration for Windows 11, featuring a modern interface with dark mode and context menu support. Although limited to Windows, it maintains a lightweight and ad-free experience akin to 7-Zip, appealing to users craving modern features.
Ark is a program for viewing, extracting, creating and modifying archives. Ark can handle various archive formats such as tar, gzip, bzip2, zip, rar, 7zip, xz, rpm, cab and deb (support for certain archive formats depend on the appropriate command-line programs being installed).
7-Zip with support for Zstandard, Brotli, Lz4, Lz5 and Lizard Compression. Open source under LGPL-2.1 license.
FreeArc is a free and open source file archiver developed by Bulat Ziganshin. It uses LZMA, PPMD, TrueAudio and GRzip algorithms with automatic switching by file type, and also uses set of filters—for instance it can remove repetitions from text.
p7zip is a port of the command line version of the 7-Zip file archiver to POSIX-conforming operating systems like Unix (Linux, Solaris, OpenBSD, FreeBSD, Cygwin, AIX, ...), MacOS X and also for BeOS and Amiga.
A simple and easy to use GUI based on 7zip for creating self-extracting archives and self-extracting installers.
A simple software to multiple compress files and folders. ArcThemAll provides compression and extraction of batches of multiple folders or files with simple drag&drop loading. It includes an intelligent UPX compression mode, the support to self-extracting archives creation...
zpaq is a free and open source incremental, journaling command-line archiver for Windows, Linux and Mac OS/X.
KGB Archiver is the compression tool with an unbelievably high compression rate. Unfortunately, in spite of its powerful compression rate, it has high hardware requirements (I recommend processor with 1,5GHz clock and 256MB of RAM as an essential minimum).
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The best file archiver I've used on Linux. It supports almost all file formats, and it's fast and lightweight.