Convert PKG to TGZ

Understanding pkg and tgz file formats

PKG files are package files commonly used on macOS systems to distribute software installers. They contain compressed files, scripts, and metadata required for installing applications. TGZ files, on the other hand, are compressed archive files created using the tar utility and then compressed with gzip. The TGZ format is widely used on Unix and Linux systems for packaging and distributing collections of files.

Why convert pkg to tgz?

Converting a PKG file to a TGZ archive is useful if you want to extract the contents of a macOS installer package and repurpose or distribute them in a more universally accessible compressed format. This is especially helpful for cross-platform compatibility or for manual inspection of package contents.

How to convert pkg to tgz

There is no direct one-step converter for PKG to TGZ, but you can achieve this by extracting the PKG file and then compressing the extracted contents into a TGZ archive. Here’s how you can do it:

1. Extract the PKG file: On macOS, use the built-in Archive Utility or a tool like The Unarchiver to extract the PKG file. Alternatively, use the pkgutil --expand command in Terminal:
   pkgutil --expand myinstaller.pkg extracted_folder
2. Compress to TGZ: Once extracted, compress the folder into a TGZ archive using Terminal:
   tar -czvf myarchive.tgz extracted_folder/

Best software for pkg to tgz conversion

• The Unarchiver (macOS): Easily extracts PKG files via a graphical interface.
• Terminal (macOS/Linux): Use pkgutil and tar commands for full control.
• 7-Zip (Windows): Can extract some PKG files and create TGZ archives, though macOS PKG support may be limited.

Summary

To convert a PKG file to a TGZ archive, first extract the PKG contents and then compress them into a TGZ file using tar and gzip. This process is best performed on macOS using built-in tools or third-party utilities like The Unarchiver.