7-Zip

7-Zip 7-Zip APK for Android lets you compress and decompress files with top compression using LZMA/LZMA2, secure them with AES-256, and manage archives with a built-in file manager and tools.

7-Zip

7-Zip is a file compression utility designed to pack and unpack archives efficiently. In many cases, it achieves a compression ratio that’s about 2–10% better than PKZip and WinZip. It works on a wide range of computers, including machines used in workplaces and other commercial environments.

For security, 7-Zip supports AES-256 encryption to help protect your files. You also get a feature-rich file manager, a command-line tool, and a FAR Manager plugin. If you want an archive you can open without an archive program, 7-Zip can create self-extracting archives. It’s also available in 87 languages, so you can use it in nearly any language.

Key Features

• Uses the LZMA and LZMA2 algorithms in the 7z format for very strong compression.



• Supports many archive formats, including:
  • Compression/Decompression: 7z, XZ, BZIP2, GZIP, TAR, ZIP, 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, Z, ZSTD

Why Choose 7-Zip?

• Better compression vs. ZIP/GZIP: typically 2–10% higher compression than PKZip and WinZip.
• Strong AES-256 support: particularly for 7z and ZIP archives.
• Self-extracting archives: create archives that can run without needing a separate extraction tool.
• Windows Explorer integration for easier archive handling.
• Powerful file manager for browsing and managing archives.
• Command-line version for automation and advanced workflows.
• FAR Manager plugin for people who use that environment.
• Multi-language support: available in 87 languages.

7z, 7za, and 7zr Binaries: What’s the Difference?

• 7z: works with a plugin to support archive handling.



• 7za: a standalone program, but it supports fewer archive formats than 7z.
• 7zr: a lightweight standalone version of 7za. It supports only 7z-compressed files. Unlike 7za, it cannot open encrypted archives.

FAQs

Can I use 7-Zip in a business setting?

Yes. 7-Zip is free software. You can install and use it on any computer without registering or paying.

How do I set file associations for 7-Zip in Windows 7 and Windows Vista?

Run the 7-Zip File Manager as an administrator. Right-click the 7-Zip File Manager icon and select Run as administrator. After that, you can update file associations and related settings.

Why are newer 7z archives larger than older ones?

Starting with 7-Zip 15.06, newer versions use a different default file sorting method for complete 7z archives.

Earlier versions (before 15.06) typically sorted files using By type (also described as By extension).

Why can’t 7-Zip open some ZIP archives?

In about 99% of cases, the archive’s header information is incorrect. Some other ZIP tools still open these archives by ignoring the header error.

If you run into such a ZIP file, don’t contact the 7-Zip developers. Instead, try to identify the program that created the archive and tell its developers that their software isn’t compatible with the ZIP format.

Some ZIP files also use encoding methods that 7-Zip doesn’t support—for example, ZIP archives involving WAVPack (as referenced with WinZip).

Why can’t 7-Zip open some RAR archives?

7-Zip 9.20 supports RAR formats 2/3/4, but not RAR5. Newer releases of 7-Zip include support for RAR5.

Summary

The graphical interface may look slightly old-fashioned, but it’s still fully functional and generally runs smoothly. Even though it’s a Win32 application and can still run on very old Windows versions, it stands out for its excellent user-interface localization. Under the clean front-end, it has a powerful engine that can take good advantage of multi-core processors.