Mist

A Mac utility that automatically downloads macOS Firmwares / Installers.

Features

  • List all available macOS Firmwares / Installers available for download:
    • Display names, versions, builds, release dates and sizes
    • Optionally show beta versions of macOS
    • Filter macOS versions that are compatible with the Mac the app is being run from
    • Export lists as CSV, JSON, Property List or YAML
  • Download available macOS Firmwares / Installers:
    • For Apple Silicon Macs:
      • Download a Firmware Restore file (.ipsw)
      • Validates the SHA-1 checksum upon download
      • Copy firmware URLs to clipboard
    • For Intel based Macs (Universal for macOS Big Sur and later):
      • Generate an Application Bundle (.app)
      • Generate a Disk Image (.dmg)
      • Generate a Bootable Disk Image (.iso)
        • For use with virtualization software (ie. Parallels Desktop, UTM, VMware Fusion, VirtualBox)
      • Generate a macOS Installer Package (.pkg)
        • Supports packages on macOS Big Sur and newer with a massive 12GB+ payload!
      • Optionally codesign Disk Images and macOS Installer Packages
      • Cache downloads to speed up build operations
      • Select custom Software Update Catalogs, allowing you to list and download macOS Installers from the following:
        • Standard: The default catalog that ships with macOS
        • Customer Seed: The catalog available as part of the AppleSeed Program
        • Developer Seed: The catalog available as part of the Apple Developer Program
        • Public Seed: The catalog available as part of the Apple Beta Software Program
        • Note: Catalogs from the Seed Programs may contain beta / unreleased versions of macOS. Ensure you are a member of these programs before proceeding.
      • Validates the Chunklist checksums upon download
    • Automatic retries for failed downloads!

Note: Depending on what Mist downloads, you may require allowing Full Disk Access for Mist via System Settings:

Installation

Grab the latest version of Mist from the releases page.

Examples

Mist Example 1

Mist Example 1

URL list