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SPECIFICTION
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OpenKh

github.com

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Spec score 7.8 #10 of 24 in Game Asset Extractors

What it is

OpenKH brings together technical documentation, tools, code libraries, and modding support for the Kingdom Hearts series. Its documentation covers games and remasters, shared assets, tools, and the OpenKH Game Engine. The Mod Manager installs and manages mods for supported PC ports and PS2 versions of several games. Mods can come from GitHub repositories or archive files, and collections can group assets for multiple titles. Panacea lets users switch mods on and off without overwriting original game files. The guide lists Kingdom Hearts, Kingdom Hearts II, Re:Chain of Memories, Birth by Sleep, and Dream Drop Distance as legacy-class games, and says PC releases from Epic Games Store and Steam are supported. OpenKH also includes an Image Viewer for common and Kingdom Hearts-specific formats, including IMD, IMZ, and Birth by Sleep font ARC files; it exports images, while import functions are in development. The engine has basic Kingdom Hearts II support on Windows, Linux, and macOS, including Raspberry Pi. Tools require the.NET 8.0 Runtime. The engine requires the user's original Kingdom Hearts II PlayStation 2 or PlayStation 4 copy. OpenKH is free; the listed plan is free.

Spec sheet

Purpose
OpenKH aims to centralize technical knowledge about the Kingdom Hearts series through documentation, tools, code libraries, and a foundation for modding the commercial games.Read 2 Oct 2026 · github.com
Integrations
The guide says PC releases from both Epic Games Store and Steam are supported, and describes Lua Backend support for Lua mods.Read 2 Oct 2026 · openkh.dev
Support
The Mod Manager guide directs users who need help to its FAQ or to the OpenKH Discord community.Read 2 Oct 2026 · openkh.dev
License
The repository states that its content is protected by the Apache 2.0 license, which permits copying, modification, distribution, private use, and commercial use subject to license terms.Read 2 Oct 2026 · github.com
Documentation
The project’s documentation covers multiple Kingdom Hearts games, remasters, other titles, common assets, tools, and the OpenKH Game Engine.Read 2 Oct 2026 · openkh.dev
Game compatibility
The Mod Manager guide identifies Kingdom Hearts, Kingdom Hearts II, Re:Chain of Memories, Birth by Sleep, and Dream Drop Distance as legacy class games.Read 2 Oct 2026 · openkh.dev
Game engine
The engine aims to recreate Kingdom Hearts I through Dream Drop Distance and currently has basic Kingdom Hearts II support on Windows, Linux, and macOS, including Raspberry Pi.Read 2 Oct 2026 · openkh.dev
Game files
The engine requires the user’s original Kingdom Hearts II PlayStation 2 or PlayStation 4 copy, and OpenKH says it will not host copyrighted original game files.Read 2 Oct 2026 · openkh.dev
Mod installation
Mods can be installed from GitHub repositories or archive files, and mod collections can group assets for multiple titles in one GitHub repository.Read 2 Oct 2026 · openkh.dev
Mod manager
The Mod Manager installs and manages mods for supported PC ports and PS2 versions of several Kingdom Hearts games.Read 2 Oct 2026 · openkh.dev
Mod preservation
Panacea lets users modify games without directly overwriting original game files and enables mods to be turned on or off in the manager.Read 2 Oct 2026 · openkh.dev
Notable limit
The Image Viewer currently supports exporting images, while import functions are described as being in development.Read 2 Oct 2026 · openkh.dev
Requirements
OpenKH tools require the .NET 8.0 Runtime, and the repository says its UI tools are designed for Windows while command-line tools work on any operating system.Read 2 Oct 2026 · github.com
Testing caveat
The repository says extensive testing primarily happens on Windows and GUI programs may need to run under WINE on Linux, Mac, or BSD.Read 2 Oct 2026 · github.com
Tool capabilities
OpenKH includes an Image Viewer that supports common image formats and Kingdom Hearts formats such as IMD, IMZ, and Birth by Sleep font ARC files.Read 2 Oct 2026 · openkh.dev

Plans and prices

OpenKH Free Apache-2.0 licensed software · requires .NET 8.0 Runtime Read 2 Oct 2026 · github.com

Every OpenKh plan and price →

Strong points and limits

Strong points

  • Free, with a listed plan of free.
  • Mod Manager supports listed PC and PS2 game versions.
  • Panacea toggles mods without overwriting original files.
  • Command-line tools work on any operating system.
  • Documentation covers multiple games, assets, and tools.

Limits

  • Tools require the .NET 8.0 Runtime.
  • Image Viewer imports are still in development.
  • Extensive testing primarily happens on Windows.
  • Engine requires an original Kingdom Hearts II copy.

Who it suits

OpenKH suits Kingdom Hearts players and modders who want series documentation, mod management, or game-data tools. Users should be prepared to supply original game files where required and meet the .NET 8.0 Runtime requirement.

Verdict

OpenKH combines reference material and practical modding tools, with clear support for several games and storefront releases. Note the runtime requirement, Windows-focused testing, and the original-game-file requirement for the engine.

Where Specifiction places it

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