unxip

github.com/saagarjha/unxip Mac Apps Open-source projectOpen source

unxip rapidly extracts Xcode XIP archives from the command line, according to its project description.

github.com/saagarjha/unxip
unxip homepage screenshot

About unxip

unxip is an open-source command-line tool for macOS designed to extract Xcode XIP archives. It is built to outperform the default macOS xip(1) and Archive Utility, achieving 2-3x faster decompression and approximately 25% lower on-disk space usage for extracted content at the time of writing. The tool supports reading XIP files from local disk or piped streams, and can be installed via precompiled binary, Homebrew, MacPorts, or built from source. Note that its error handling is limited, and it does not perform built-in signature verification for XIP files.

Key features

  • Rapidly extracts Xcode XIP archives from the command line
  • 2-3x faster decompression than default macOS XIP tools (at time of writing)
  • ~25% lower on-disk space usage than default XIP utilities (at time of writing)
  • Reads XIP input from local files or piped streams
  • Installable via precompiled binary, Homebrew, or MacPorts
  • Provides libunxip Swift stream interface for custom workflows
Best for: macOS users who regularly extract Xcode XIP archives and want faster, more space-efficient extraction than default system utilities.
Good for
  • At time of writing, 2-3x faster decompression than default macOS XIP tools
  • At time of writing, approximately 25% lower on-disk space usage for extracted content
  • Supports multiple installation methods including package managers
Watch out for
  • Limited error handling may cause unexpected behavior on edge cases
  • Does not perform built-in XIP signature verification
  • Precompiled binaries require macOS 12.0 or later; Big Sur builds need hard-to-distribute backdeployment libraries

unxip at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Platforms
macOS
Open source
Yes · Source code
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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unxip FAQ

How can I install unxip?
It can be installed via precompiled binary for macOS 12.0+, Homebrew, MacPorts, or by building from the Swift source file.
Does unxip verify the authenticity of XIP files?
No, it does not perform signature verification; use external checksums or trusted download sources for validation.
What are the system requirements for unxip?
Precompiled binaries require macOS 12.0 or later; building from source for macOS Big Sur requires hard-to-distribute backdeployment libraries, while builds for Monterey or later are recommended due to Swift Concurrency usage.
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