All about PET Files

The PET file type is primarily associated with Puppy Linux.

PETFile Extension PET
File extension: PET
File type:  software installation package

What is a PET file?

PET files mostly belong to Puppy Linux by Barry Kauler. Files assigned the PET extension or PET files are categorized as compressed files and game files. Using a specific encoding algorithm they can compress several files into one archive, much smaller in size. Making it easier for these files to transfer and safer to be stored in.

  • Puppy Linux: Also known as Puppy Linux Install Packages, PET files were developed by Barry Kauler for Puppy Linux, a light-weight Linux distribution. The PET abbreviation actually stands for Puppy's Extra Treats. PET files used by Puppy Linux are stored inside TGZ files with an md5sum checksum appended at the end. They are supported by a number of utilities in MacOS, Windows and Linux based systems.
  • Game files: Other than being used to compress files into archives, the PET extension is also used by 3D model files. These are used by WangReal Engine games such as PAngya and White Day: A Labyrinth Named School. The 3D model stored in these files contains texture, bone, animation, mesh, and facial animation. PET files are often compressed in NOP and PAK archives. These files can only be opened using the games they are associated with.

How to open a PET file

You need a suitable software like Puppy Linux to open a PET file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your PET file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a PET file directly in the browser:. Just drag the file onto this browser window and drop it.

Online PET File Viewer

Choose your .pet file to view

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How to extract texts from PET files or capture a screenshot to PDF, JPG, DOCX, TXT, ...

You can extract texts from PET file or capture a preview screenshot using our online PET file viewer:
  1. To do so, click the "Choose your .pet file to view" button above.
  2. Your PET file will then be displayed in the browser.
  3. Now click on "Save as..." at the top of the page.
  4. Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
  5. Your file will be converted and downloaded.

Programs that open and convert PET files:

  1. Puppy Linux by Barry Kauler
    See the previous paragraphs to learn more about the main application. PET files are often referred to as Puppy Linux executables because this type of file is primarily created or used by this software.
  2. IsoBuster by Smart Projects
    IsoBuster is a data recovery software from Smart Projects. Related links: IsoBuster on Wikipedia, IsoBuster History
  3. macOS (graphics metafile) by Apple
    macOS is a Graphical User Interface (GUI) based operating system from Apple. PICT was used on macOS systems as the standard metafile format for graphics. PET was another extension used for PICT format files. The format supported both raster and vector images. It has been replaced by PDF as the standard metafile format. This file format is classified as Misc. Related links: macOS on Wikipedia, PICT File Format
  4. Petz (game data file) by Ubisoft
    Petz is a series of video games in which players can adopt and raise virtual pets. First developed by P.F. Magic, the series has been acquired by Ubisoft. A PET file contains all the data about a single pet in the game. This includes the pet's colour, breed, mood, and other information. This file format is classified as Game. Related links: Petz on Wikipedia, PET File Format, Petz Wiki, Tools for Petz
  5. WordPerfect by Corel
    WordPerfect is a word processing software from Corel. Program Editor is a fast and light version of WordPerfect. It is a text editor without formatting options intended for use by programmers. PETis the WordPerfect Program Editor Top overflow file. Related links: WordPerfect on Wikipedia

Technical Data for PET File Extension


The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: petzfile
EXEFile: %ProgramFiles%\PF.Magic\Petz II\Petz II.exe %1

ProgramID: petzfile
EXEFile: %ProgramFiles%\PF.Magic\Petz 3\Petz 3.exe

ProgramID: PET
EXEFile: %ProgramFiles%\PeaZip\PEAZIP.EXE


a pet software installation package is a special file format by Barry Kauler and should only be edited and saved with the appropriate software.

How to solve problems with PET files

  • Associate the PET file extension with the correct application.
  • Update your software that should actually open software installation packages. Because only the current version supports the latest PET file format. Search, therefore, e.g. on the Barry Kauler manufacturer website after an available Puppy Linux update.
  • To make sure that your PET file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
  • Click here to open your .PET file online - secure, fast, and no downloads needed.
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