7-Zip - Free Download (2026)

Name: 7-Zip
Availability: InStock
Author: Igor Pavlov

7-Zip - Free File Archiver

7-Zip is a free, open source file archiver by Igor Pavlov. It compresses and extracts archives in most common formats - ZIP, RAR, TAR, GZ, and its own 7z format, which typically compresses better than ZIP. The program is completely free under the LGPL license, with no ads, no nag screens, and no paid tier.

It runs on Windows natively and is available on Linux and macOS through the command line (p7zip). The installer is under 2 MB.

What it does

Right-click any archive file and you get 7-Zip in the context menu with options to extract here, extract to a subfolder, or open in 7-Zip's file manager. For creating archives, select files, right-click, and choose 7-Zip > Add to archive. Pick your format (7z or ZIP for compatibility), compression level (from Store to Ultra), and optionally set a password with AES-256 encryption.

The 7z format consistently beats ZIP on compression ratio, sometimes producing files 30-70% smaller depending on the content. The tradeoff is that 7z is slower to compress and not every system can open it without additional software. For sharing, ZIP is safer. For personal backups, 7z saves more space.

Split archives (Add to archive > Split to volumes) let you break large files into chunks of a specified size - useful for email attachments or USB drives with file size limits. The integrity test (right-click > 7-Zip > Test archive) verifies that an archive isn't corrupted.

Advantages

Completely free and open source, no catches
7z format has better compression than ZIP
AES-256 encryption for password-protected archives
Tiny installer, minimal system footprint

Drawbacks

Interface is functional but plain
7z format not universally supported (ZIP is safer for sharing)
No built-in repair for damaged archives
Context menu integration can be finicky on Windows 11

Who it is for

7-Zip is the default recommendation for anyone who needs to compress or extract files on Windows. It handles everything WinRAR does, minus the RAR creation, and it costs nothing. If you don't have a specific reason to use WinRAR or WinZip, 7-Zip is the obvious pick.

Frequently Asked Questions

Is 7-Zip completely free?

Yes. 7-Zip is free and open source under the LGPL license. No ads, no nag screens, no paid version. It is free for both personal and commercial use.

Is 7-Zip better than WinRAR?

7-Zip is free and its 7z format compresses better than ZIP. WinRAR can create RAR archives (7-Zip cannot) and has a slightly more polished interface. For most users, 7-Zip is the better choice because it costs nothing.

Can 7-Zip open RAR files?

Yes. 7-Zip can extract RAR archives. It cannot create RAR files (that requires WinRAR), but it opens them without issues.

Is 7z format better than ZIP?

The 7z format typically achieves 30-70% better compression than ZIP, depending on file content. The downside is that not all systems can open 7z files without additional software, while ZIP is universally supported.

Features & How-To Guide

#	Feature	How to use
1	Archive extraction	Right-click on archive › 7-Zip › Extract here or Extract to folder.
2	7z/ZIP archive creation	Select files › Right-click › 7-Zip › Add to archive › Select format (7z/ZIP/TAR).
3	RAR/ISO/CAB and other extraction	Right-click on RAR/ISO/CAB/WIM/DMG file › 7-Zip › Extract. Supports dozens of formats.
4	Archive encryption with password 2	Add to archive › Enter password › Check Encrypt file names. AES-256.
5	Compression with various levels 2	Add to archive › Compression level: from Store (none) to Ultra (best but slowest).
6	Archive splitting into parts 3	Add to archive › Split into parts › Enter part size (e.g. 700M, 4G).
7	Archive integrity testing 3	Right-click on archive › 7-Zip › Test archive. Checks whether the file is not corrupted.
8	7-Zip file manager	Run 7-Zip File Manager › Browse archives like folders. Copy files between archives.