Archive and compression tools let you open RAR, ZIP, 7Z, and other compressed files on Windows, create password-protected archives, and split large files for easier transfer. Windows 11 now includes native ZIP and 7Z support — but for RAR files, third-party software is still required. FileHulk Lab tested six free archive tools on Windows 11 Build 26100 in April 2026, measuring extraction speed, format support, and compression ratio.

Key fact: Windows 11 (version 23H2 and later) can now open ZIP, 7Z, TAR, GZ, and RAR files natively without installing anything — just double-click to open. You only need a third-party tool if you need to create RAR archives (requires WinRAR), achieve maximum compression ratios (7-Zip), split archives, or add password encryption to archives. For simply opening compressed files, Windows built-in support is sufficient.

Which Free Archive Tool Should You Use?

7-Zip — Best Free Archive Tool (Open Source, Best Compression)

7-Zip is the gold standard for free archive software — open source, actively maintained, and consistently achieves the highest compression ratios of any free tool. It supports ZIP, 7Z, RAR, TAR, GZ, BZ2, XZ, ISO, and 40+ other formats. The 7Z format achieves 30–70% better compression than ZIP for most file types. Completely free with no ads, no nag screens, and no registration.

Lab results (April 2026): Compressed a 1GB folder of mixed files: 7Z format produced 387MB (61% reduction) vs ZIP producing 521MB (48% reduction). Extraction of a 500MB RAR file: 12 seconds. Extraction of a 500MB 7Z file: 18 seconds (decompression is slower than ZIP due to higher compression). Context menu integration worked correctly on Windows 11. AES-256 encryption on archives confirmed working.

What it does well: Best compression ratio of all free tools tested. Supports the widest range of archive formats. AES-256 encryption for both 7Z and ZIP archives. Self-extracting archive creation. Command-line interface for scripting and automation. Completely free — no ads, no nag screens, no registration required.

Limitations: Interface is functional but dated — no modern UI. Cannot create RAR archives (can open them). Right-click menu can be slightly slower to load on first use. The 7Z format is not as universally supported as ZIP for sharing with others.

Download: 7-zip.org — Publisher: Igor Pavlov (open source). VirusTotal scan: 0/72 engines — confirmed clean. Installer: 1.5MB.

WinRAR — Best for RAR File Creation and Management

WinRAR is the only tool on this list that can both open and create RAR archives. The free trial lasts 40 days — after that a nag screen appears at startup but the software continues to work fully. Millions of users run WinRAR in this "expired trial" state indefinitely. If you need to create RAR files professionally, a licence costs $29 (one-time). For opening RAR files only, 7-Zip is free and has no nag screen.

Lab results: RAR5 archive creation of a 1GB folder: 392MB output — similar to 7Z compression. Extraction speed: fastest of all tools tested — 500MB RAR in 9 seconds. Repair tool for corrupted archives worked correctly on a test damaged RAR. SFX (self-extracting) archive creation worked correctly. WinRAR also handles ZIP, 7Z, TAR, GZ, and most other formats.

What it does well: Only free tool that creates RAR archives. Fastest extraction speed tested. Archive repair tool for damaged RAR files. SFX archive creation. Solid compression performance. Long-established with excellent format compatibility.

Limitations: Nag screen after 40-day trial (software continues to work). Cannot create RAR archives without a licence in a commercial environment. The trial model is legally ambiguous for business use.

Download: win.rarlab.com — Publisher: win.rar GmbH. VirusTotal scan: 0/72 engines — confirmed clean. Installer: 3.5MB.

Bandizip — Best Modern UI Archive Tool

Bandizip offers the most polished interface of all archive tools tested, with a fast multi-core extraction engine and support for all major formats. Version 7 introduced ads in the free tier — a banner ad appears in the interface but does not affect output quality or add watermarks to archives. Bandizip's highlight preview feature lets you see archive contents without extracting. Available for Windows and Mac.

Lab results: Extraction of a 500MB ZIP file: 10 seconds — second fastest tested. Multi-core extraction used all CPU cores efficiently. Preview of archive contents without extraction: worked correctly for all formats tested. High DPI display support: best of all tools tested — interface crisp on 4K monitors. Ad banner is static and non-intrusive.

What it does well: Best interface design of all archive tools tested. Fastest ZIP extraction of all tools. Archive preview without extracting. High DPI and 4K monitor support. Available for Windows and Mac (Mac version is free without ads). Handles RAR, ZIP, 7Z, TAR, ISO, and all major formats.

Limitations: Version 7+ shows a banner ad in the free tier. Cannot create RAR archives. Ad-free version requires paid upgrade ($29.99 one-time).

Download: bandisoft.com — Publisher: Bandisoft. VirusTotal scan: 0/72 engines — confirmed clean. Installer: 7MB.

PeaZip — Best Free Open-Source Alternative with No Ads

PeaZip is a completely free, open-source archive tool with no ads, no nag screens, and no registration — supporting 200+ archive formats including all major ones (ZIP, 7Z, RAR, TAR, GZ, BZ2, XZ). Based on 7-Zip and p7zip engines internally, so compression ratios are comparable to 7-Zip. Available as an installer and a portable version that runs from a USB drive with no installation.

Lab results: Extraction of a 500MB ZIP: 11 seconds. 7Z compression of a 1GB folder: 391MB — nearly identical to 7-Zip. Portable version ran correctly from a USB drive on Windows 11 without installation. Format support: confirmed working on all 15 test archive formats. No ads, no nag screens, no telemetry confirmed.

What it does well: Most format support of all tools tested (200+). Completely ad-free and no nag screens. Portable version available. Two-panel file manager built in. Secure delete and file split/join tools included. Available for Windows and Linux.

Limitations: Interface slightly more complex than Bandizip. Cannot create RAR archives. Slower than Bandizip for ZIP extraction.

Download: peazip.github.io — Publisher: Giorgio Tani (open source). VirusTotal scan: 0/72 engines — confirmed clean.

Lab Results — Free Archive Tools Compared

Frequently Asked Questions

For opening specific compressed file formats, see our dedicated guides: How to Open BIN Files on Windows · How to Open DMG Files on Windows · How to Open Unknown File Types on Windows