PK3 File Extension

The PK3 file extension was created by Id Software and is also known as the Quake 3 Engine Game Data File. PK3 is classified as a Game Files and This file is saved in a zipped format. You can view the contents by unzipping it with a file decompression program. You can open PK3 files in id Software Quake 3 program.

Quake 3 Engine Game Data File Type

Quake 3 Engine Game Data File Type
Extension .pk3
Developer Id Software
Popularity 5.0 (11 Votes)
Mime Type mime-type/not.available
Default Program id Software Quake 3
Category Game Files
Format Zip
Updated 6/1/2025

What is a PK3 File Type?

PK3 files are similar to .PAK game data files, but are based on a newer format. Since PK3 files are compressed using Zip compression, they can be renamed with a .ZIP file extension and extracted using a file decompression program such as Corel WinZip or PKWARE PKZIP.Quake III PK3 files should be saved in one of the following directories: quake3/q3ut3, quake3/baseq3, or quake3arena/q3ut3.NOTE: Examples of games that were developed using the id Tech 3 engine include Quake III Arena, Star Wars Jedi Knight II: Jedi Outcast, Soldier of Fortune II: Double Helix, Return to Castle Wolfenstein, and Call of Duty Classic.

Free Online PK3 Tools & Apps

Access powerful and secure free online PK3 tools to convert, view, edit, merge, split, and compare PK3 files — all without installing any software. Our tools support the .PK3 (Quake 3 Engine Game Data File) file extension and run smoothly in any modern browser.

Select a tool below to explore features and manage your PK3 files directly from your device with ease.

PK3 Files Common Issues

There are few common issues with the Quake 3 Engine Game Data File .PK3=10426 File Extensions while opening the .PK3=10426 files on Windows and MacOs, we have solution to those issues such as:

Can't Open PK3 Files?

  1. You must have supported software programs installed for Quake 3 Engine Game Data File on your system such as id Software Quake 3.
  2. Associate default Id Software id Software Quake 3 program for *.pk3 (Quake 3 Engine Game Data File) files.

    Associate PK3 Default Program on Windows
    1. Right-click a *.PK3 (e.g example.pk3) file and click Open With.
    2. In the Open with dialog box, click Id Software id Software Quake 3 program Or click Browse to locate the program (*.exe) that you want.
    3. Select check box for Always use this app to open .pk3 files.

    Associate PK3 Default Program on MacOs
    1. Click *.PK3 (e.g example.pk3) file and click information -> Open With.
    2. In the programs list, click Id Software id Software Quake 3 program Or other appropriate program that you want.
    3. Confirm Change for all... and Contine.
    4. A message will appear "This change will be applied to all files with .id Software Quake 3 extension. By clicking Continue you confirm your selection", click Contine to apply changes.

All Platform Software Programs for PK3 File Extension

List of all softwares that can open the PK3 files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Microsoft Windows logo image Open PK3 File on Windows

Software License Developer
Igor Pavlov 7-Zip image. Igor Pavlov 7-Zip 16 for Windows Open Source 7-Zip
id Software Quake 3 image. id Software Quake 3 N/A for Windows Commercial id Software
QuArK image. QuArK 6 for Windows Freeware QuArK
ZDoom image. ZDoom 000 for Windows Free ZDoom

MacOs logo image - FileProInfo.comOpen PK3 File on Mac OS

Software License Developer
GZDoom image. GZDoom 000 for MacOs Free GZDoom
id Software Quake 3 image. id Software Quake 3 N/A for MacOs Commercial id Software

Linux logo image - FileProInfo.comOpen PK3 file on Linux

Software License Developer
GZDoom image. GZDoom 000 for Linux Free GZDoom
id Software Quake 3 image. id Software Quake 3 N/A for Linux Commercial id Software

Website logo image - FileProInfo.comOpen PK3 file on Web

Software License Developer

iOS logo image - FileProInfo.comOpen PK3 file on iOS

Software License Developer

Android logo image - FileProInfo.comOpen PK3 file on Android

Software License Developer

About Licensing

  1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
  2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
  3. Free+ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
  4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
  5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

PK3 file extension icon image.About PK3 - Quake 3 Engine Game Data File

FileProInfo is to help you understand about the Quake 3 Engine Game Data File with *.PK3 suffix, and provide the complete detail as how to open, edit, convert, merge, split and compare it with other related software programs, software download links and free online apps and tools.

Our professional team members at FileProInfo have been individually researched and verified the details for PK3. We want to be 100% accurate and publish the information about file formats, tools, apps and software programs that we have tested and validated.

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Updated 6/1/2025