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SPECIFICTION
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NanaZip

nanazip.org

Free plan Windows
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Spec score 7.8 #14 of 36 in File Compression Software

What it is

NanaZip is a free, open-source file archiver derived from 7-Zip and built for Windows. Its modern MSIX version connects with File Explorer context menus and file associations, while the interface supports Windows 11 context menus, Fluent Design, Mica material, and dark mode. Smart Extraction treats archives with one root item differently from those with several root items to keep extracted files organized. The maker lists formats and codecs including Zstandard, WASM, Electron ASAR, .NET Single File bundles, Brotli, and LZ4. Additional hashes include SHA-256, SHA-512, BLAKE2b, and XXH3. Command-line tools and a 7-Zip execution alias are included. Listed protections include package integrity checks, Control Flow Guard, Shadow Stack compatibility, limits on dynamic code generation, and blocking unexpected remote libraries. It supports Windows 10 version 2004 or later and Windows Server 2022 or later on x64 and ARM64.

Spec sheet

Product
NanaZip is an open-source file archiver derived from 7-Zip and intended for the modern Windows experience.Read 3 Oct 2026 · github.com
Integrations
NanaZip supports Windows File Explorer context menus and file associations in its modern MSIX flavor.Read 3 Oct 2026 · github.com
Security
Listed mitigations include Control Flow Guard, Shadow Stack compatibility, restrictions on dynamic code generation, package integrity checks, and blocking unexpected remote libraries.Read 3 Oct 2026 · github.com
Support
The maker says some issues will not be fixed when NanaZip is used in portable mode.Read 3 Oct 2026 · github.com
Accessibility
The maker says NanaZip supports Windows accessibility features and meets Section 508 compliance standards.Read 3 Oct 2026 · nanazip.org
Archive formats
The maker lists additional formats and codecs including Zstandard, WASM, Electron ASAR, .NET Single File bundles, Brotli, and LZ4.Read 3 Oct 2026 · nanazip.org
Command line
The repository says NanaZip provides a 7-Zip execution alias to help users migrate to NanaZip.Read 3 Oct 2026 · github.com
Developer team
M2-Team says it was created by Himi Misaki, Kenji Mouri, and Ruqing Yang on June 18, 2015 for the NSudo project.Read 3 Oct 2026 · m2team.org
Downloads
The maker recommends Microsoft Store distribution and also lists SourceForge and GitHub Releases as official download options.Read 3 Oct 2026 · nanazip.org
Hashes
The repository lists additional hash algorithms including SHA-256, SHA-512, BLAKE2b, and XXH3.Read 3 Oct 2026 · github.com
Modern Windows UI
It supports Windows 11’s context menu, Fluent Design, Mica material, and dark mode.Read 3 Oct 2026 · nanazip.org
Portable release limitation
GitHub experimental portable releases omit some features such as File Manager, and the maker says no support is provided for those versions.Read 3 Oct 2026 · nanazip.org
Requirements
The repository lists Windows 10 version 2004 or later and Windows Server 2022 or later, with x64 and ARM64 support.Read 3 Oct 2026 · github.com
Smart Extraction
Smart Extraction saves clicks for archives with a single root item and keeps files organized when there are multiple root items.Read 3 Oct 2026 · nanazip.org

Plans and prices

NanaZip Free Open-source file archiver; Windows-focused Read 3 Oct 2026 · github.com
NanaZip Sponsor Edition addon $99.99, paid once Only changes the toolbar button to “Appreciate your sponsorship”; free for repository contributors and sponsors who sponsored before March 30, 2024 Read 3 Oct 2026 · github.com

Every NanaZip plan and price →

Strong points and limits

Strong points

  • Free and open source
  • Windows 11 context-menu and Fluent Design support
  • Command-line tools and 7-Zip alias
  • Supports x64 and ARM64
  • Includes additional archive formats and hash algorithms

Limits

  • Windows-focused platform support
  • Portable releases omit some features
  • Portable versions receive no support
  • No archive repair

Who it suits

NanaZip suits Windows users who want an open-source archiver with modern Windows integration, command-line access, and broad format support.

Verdict

NanaZip combines 7-Zip lineage with Windows-focused interface and Explorer integration. The standard release is free, while experimental portable builds trade features and support for portability.

Where Specifiction places it

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