About

Inno Setup is a tool to create installers for Microsoft Windows applications. innoextract allows to extract such installers without running the actual setup executable under Windows or using Wine. innoextract currently supports installers created by Inno Setup 1.2.10 to 6.1.2. (details)

Author: DanielScharrer (daniel@constexpr.org)
License: zlib/libpng

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In addition to standard Inno Setup installers, innoextract also supports some modified Inno Setup variants including Martijn Laan's My Inno Setup Extensions 1.3.10 to 3.0.6.1 as well as GOG.com's Inno Setup-based game installers. innoextract is able to unpack Wadjet Eye Games installers (to play with AGS), Arx Fatalis patches (for use with Arx Libertatis) as well as various other Inno Setup executables. See the list of limitations below.

While developed on Linux, innoextract is cross-platform and meant to work with any C++03 to C++17 compiler, architecture and operating system supported by CMake, Boost, liblzma and (optionally) iconv.

Announcements

Windows Unpacker

innoextract 1.9 released

  • Added preliminary support for Inno Setup 6.1.0
  • Added support for a modified Inno Setup 5.4.2 variant
  • Fixed output directory being created for unsupported installers
  • Fixed some safe non-ASCII characters being stripped from filenames
  • Fixed handling of path separators in Japanese and Korean installers
  • Fixed build with newer Boost versions
  • Windows: Fixed heap corruption
  • Windows: Fixed garbled output
See the full changelog for more details.

Download

The current version of innoextract is 1.9 (changelog):

  • innoextract Source Code(mirror)innoextract-1.9.tar.gz202 KiB
    MD5: 964f39bb3f8fd2313629e69ffd3dab9fsignature
  • innoextract Windows Binaries(mirror)innoextract-1.9-windows.zip509 KiB
    MD5: 72d0d0dd874b6236eaa44411f4470ee1signature
  • innoextract Linux Binaries(mirror)innoextract-1.9-linux.tar.xz888 KiB
    MD5: 33bdf359c62d4f88a51ae15048ea480esignature
  • innoextract FreeBSD Binaries(mirror)innoextract-1.8-freebsd.tar.xz712 KiB
    MD5: 7e50020f771ce4b1827c1088c6c72a3fsignature

The files have been signed with this OpenPGP key (28555A66D7E1DEC9).
Windows binaries should work on XP or newer.
The Linux tarball includes x86, amd64 and ARMELv6j+hardfloat+vfp (Raspberry Pi compatible) binaries.
FreeBSD binaries are built against FreeBSD 9.1, but will likely also work on other versions.
All 32-bit binaries are compiled for i686 (Pentium Pro or newer). 64-bit binaries are included for some platforms.

Older versions are still available for download.

There is also a port of innoextract to Android by Alan Woolley.

macOS

Pkg unpacker windows

Windows Installer Unpacker

There are no pre-built innoextract binaries for macOS (formerly OS X), but there are also MacPorts and Homebrew packages.
You can also build it yourself by downloading the source code and then following these instructions.

Packages

innoextract packages are available for the following operating systems and Linux distributions:

OS / DistributionRepositoryPackageVersionType
Alpine LinuxAlpine packagesinnoextract1.9distro
ALT LinuxSisyphus repositoryinnoextract1.9distro
AOSC OSAOSC packagesinnoextract1.8distro
Arch Linuxcommunityinnoextract1.9distroInstructions
Calculate LinuxPortageinnoextract1.8distro
ChakraChakra Community Repoinnoextract1.4userInstructions
Clear Linuxsysadmin-basicinnoextract1.8distro
Debian stablehome:dscharrer on OBSinnoextract1.9ownInstructions
Debian 8 (jessie)maininnoextract1.4distroInstructions
Debian 9 (stretch)maininnoextract1.6distroInstructions
Debian 10 (buster)maininnoextract1.7distroInstructions
Debian testing (bullseye)maininnoextract1.8distroInstructions
Debian unstable (sid)maininnoextract1.8distroInstructions
Deepindeepininnoextract1.6distro
Devuan 1 (Jessie)maininnoextract1.4distro
Devuan 2 (ASCII)maininnoextract1.6distro
Devuan 3 (Beowulf)maininnoextract1.7distro
Devuan Testing (Chimaera)maininnoextract1.8distro
Devuan Unstable (Ceres)maininnoextract1.8distro
DragonFlyBSDDPortsinnoextract1.8distro
EL 7 (RHEL 7, CentOS 7, …)scx on Coprinnoextract1.7user
Fedorahome:dscharrer on OBSinnoextract1.9ownInstructions
Fedora 31fedorainnoextract1.8distroInstructions
Fedora 32fedorainnoextract1.8distroInstructions
FreeBSDFreeBSD portsinnoextract1.8distroInstructions
Funtoonokitinnoextract1.7distro
Gentooarx-libertatis overlayinnoextract1.9ownInstructions
GuixSDGNU Guixinnoextract1.9distro
HaikuHaikuPortsinnoextract1.8distro
Kali Linuxmaininnoextract1.8distro
Linuxbrewlinuxbrew-coreinnoextract1.9distro
macOSHomebrewinnoextract1.9distroInstructions
macOSMacPortsinnoextract1.8distro
Mageiahome:dscharrer on OBSinnoextract1.9ownInstructions
Mageia 6Coreinnoextract1.6distroInstructions
Mageia 7Coreinnoextract1.7distroInstructions
Mageia CauldronCoreinnoextract1.9distroInstructions
Manjarocommunityinnoextract1.8distro
NetBSDpkgsrcinnoextract1.9distroInstructions
NixOSNixOS packagesinnoextract1.9distroInstructions
OpenBSDOpenBSD portsinnoextract1.9distroInstructions
OpenMandrivaOpenMandriva Associationinnoextract1.9distro
openSUSEhome:dscharrer on OBSinnoextract1.9ownInstructions
openSUSEArchiving on OBSinnoextract1.9distroInstructions
openSUSE Leap 42.1official releaseinnoextract1.4distroInstructions
openSUSE Leap 42.2official releaseinnoextract1.6distroInstructions
openSUSE Leap 42.3official releaseinnoextract1.6distroInstructions
openSUSE Leap 15.0official releaseinnoextract1.6distroInstructions
openSUSE Leap 15.1official releaseinnoextract1.7distroInstructions
openSUSE Leap 15.2official releaseinnoextract1.7distroInstructions
openSUSE Tumbleweedofficial releaseinnoextract1.9distroInstructions
Parabola GNU/Linux-librecommunityinnoextract1.9distro
Pardusmaininnoextract1.7distro
Parrot OSmaininnoextract1.8distro
PLD Linuxpackagesinnoextract1.9distro
PureOSmaininnoextract1.8distro
Raspbian stablehome:dscharrer on OBSinnoextract1.9ownInstructions
Raspbianmaininnoextract1.8distroInstructions
Slackware 14.0slackbuilds.orginnoextract1.4user
Slackware 14.1slackbuilds.orginnoextract1.5user
Slackware 14.2slackbuilds.orginnoextract1.7user
Solusshannoninnoextract1.9distro
Solusunstableinnoextract1.9distro
Source Magegrimoireinnoextract1.8distro
SUSE Linux Enterprise 15SUSE Package Hubinnoextract1.7distro
Trisquelmaininnoextract1.6distro
Ubuntuppa:arx/releaseinnoextract1.9ownInstructions
Ubuntu 16.04 (xenial)universeinnoextract1.5distroInstructions
Ubuntu 18.04 (bionic)universeinnoextract1.6distroInstructions
Ubuntu 20.04 (focal)universeinnoextract1.8distroInstructions
Ubuntu 20.10 (groovy)universeinnoextract1.8distroInstructions
Ubuntu 21.04 (hirsute)universeinnoextract1.8distroInstructions
Void LinuxVoid Packagesinnoextract1.9distro
WindowsChocolateyinnoextract1.9userInstructions
WindowsMSYS2innoextract1.9user
WindowsScoopinnoextract1.9user
WindowsYet Another Cygwin Portsinnoextract1.9user
Windows Unpacker

If your distribution is not listed, first check Repology's package version list as well as the appropriate repositories in case someone already created a package for your distribution. If you create your own packages or find one that isn't listed here, please let me know so that I can add them.

Usage

To extract a setup file to the current directory run:

$ innoextract <file>

A list of available options can be retrieved using

$ innoextract --help

Documentation is also available as a man page:

Unpack$ man 1 innoextract

Compatibility

innoextract cannot guarantee good forward compatibility as the Inno Setup data format changes frequently. The following table lists the supported versions:

innoextract 1.9or newerInno Setup 1.2.10 to 6.1.2
innoextract 1.8Inno Setup 1.2.10 to 6.0.5
innoextract 1.7Inno Setup 1.2.10* to 5.6.1
innoextract 1.6Inno Setup 1.2.10* to 5.5.9
innoextract 1.5Inno Setup 1.2.10* to 5.5.6
innoextract 1.3 to 1.4Inno Setup 1.2.10* to 5.5.5
innoextract 1.0 to 1.2Inno Setup 1.2.10* to 5.4.3
* innoextract 1.7 and older cannot extract installers created by Inno Setup 1.3.0 to 1.3.23.

GOG.com Installers

GOG.com installers with a 2.x.x version number on the download page or in the filename use Inno Setup 5.5.0 and cannot be extracted by innoextract 1.2 and older. Older installers use Inno Setup 5.2.3 and usually have no version in the filename.

Some GOG.com multi-part installers with version 2.1.x or higher use RAR archives (renamed to .bin) to store the game data. These files are not part of the Inno Setup installer. However, innoextract 1.5 or newer can extract them using the --gog option if either unrar or unar is installed.

Other newer GOG.com installers don't include the raw files directly but instead store them in GOG Galaxy format: split into small parts which are then individually compressed. These files are named after their MD5 hash and stored in the tmp directory, for example 'tmp/ab/d7/abd72c0dddc45f2ce6098ce3a286066a'. innoextract 1.7 or newer will automatically re-assemble these parts and extract the original files unless the --no-gog-galaxy option is used.

Some multi-part GOG.com installers use .bin slice files larger than 2 GiB - extracting these requires innoextract 1.8 or newer on 32-bit platforms. Older versions failed with a 'bad chunk magic' error.

Limitations

Windows Unpacker.exe

  • There is no support for extracting individual components and limited support for filtering by name.
  • Included scripts and checks are not executed.
  • The mapping from Inno Setup constants like the application directory to subdirectories is hard-coded.
  • Names for data slice/disk files in multi-file installers must follow the standard naming scheme.

Also see the list of planned/requested enhancements on the issue tracker.

Unpacker Windows 8

Another (Windows-only) tool to extract Inno Setup files is innounp.

Development Information

Projects using innoextract

Rar Unpacker Windows 10

  • Inno Setup Extractor for Android uses innoextract as the backend
  • Debian's game-data-packager uses innoextract to extract the data for some games.
  • the ./play.it project uses innoextract to extract the data for some games.
  • The arch-gog project uses innoextract in many PKGBUILD scripts
  • vcmibuilder uses innoextract when installing from a GOG.com setup file
  • arx-install-data from Arx Libertatis uses innoextract to extract GOG.com installers and Arx Fatalis patches
  • The Linux version of the Daikatana 1.3 patch uses innoextract in its GOG.com install script
  • The FreeSpace Open Installer uses innoextract to extract data from the FreeSpace 2 GOG.com setup.
  • The defunct gogonlinux project used innoextract to unpack GOG.com installers
  • The Play on Linux/Mac project has scripts to extract installers using innoextract
  • Legaci, the Legacy Game Commandline Installer can use innoextract to unpack GOG.com installers

Ext4 Unpacker Windows

Related Projects

  • innounp - alternative to innoextract for Windows
  • uninno - portable unpacking tool for Inno Setup installers, written in Perl
  • inno2john - cracks password protected Inno Setup generated installers using John the Ripper
  • cabextract - unpacker for .cab files used in Microsoft installers
  • unshield - unpacker for .cab files used in InstallShield installers




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