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WolvenKit

WolvenKit is a free, open-source modding tool for Cyberpunk 2077, focused on REDengine 4.

Place
#1 of 24
Score
7.3
WolvenKit's website

What WolvenKit is

WolvenKit is a free, open-source modding tool for Cyberpunk 2077, focused on REDengine 4. It helps users browse, extract, edit, and repack game files into archives for use in the game. Its Asset Browser previews meshes and textures in base-game and user-generated archives, while its RTTI-based File Editor can edit and save REDengine files and convert them to human-readable JSON and back. Project Explorer organizes project files and can open source assets such as blend, PSD, and XCF files. WolvenKit includes asset import and export tools, Blender imports for shaded Cyberpunk meshes, texture export to TGA, DDS, PNG, and JPG, and model export to glTF, with FBX available through conversion. It is available for Windows 10/11 64-bit and Linux, though Linux compatibility is unstable and not guaranteed. The current README requires the latest .NET 10.0 runtime and x64 architecture. Stable and nightly builds are distributed through GitHub releases.

Good

  • Browse and preview meshes and textures in archives.
  • Edit REDengine files and convert them to JSON.
  • Repack modified game files into archives.
  • Supports Blender imports and multiple texture formats.
  • Free, open-source software for Windows and Linux.

Watch out

  • Linux compatibility is unstable and not guaranteed.
  • Requires the latest .NET 10.0 runtime and x64 architecture.
  • Nightly builds may have an increased risk of bugs.

Who it suits

WolvenKit suits Cyberpunk 2077 players who want to create or manage mods, including those working with game archives, textures, models, or REDengine files. It is also relevant to modders using Blender or organizing source assets alongside project files.

Verdict

WolvenKit brings archive browsing, file editing, asset conversion, and project organization into one modding tool for Cyberpunk 2077. Linux users should note the compatibility warning, and nightly builds carry more risk of bugs.

Plans and prices

From WolvenKit's own pricing page, checked 15 Oct 2026.

All about pricing
PlanPriceWhat it gives you
FreeFreeCyberpunk 2077 and The Witcher 3 modding tools · optional Patreon support · free of charge
WolvenKitFreeprovided at no cost · GPL-3.0 open source · research and educational use

The facts

Each one read from WolvenKit's own pages, with the date it was checked.

What it does

Archive browsing
The Asset Browser searches base-game and user archives directly without requiring a full game dump.checked 15 Oct 2026
Asset conversion
It provides bespoke import and export tools for converting assets to game files and vice versa.checked 1 Oct 2026
Asset I/O
Its bespoke import and export tools convert game assets to common formats and back.checked 15 Oct 2026
Asset previews
The Asset Browser provides immediate previews for assets such as meshes and textures.checked 15 Oct 2026
Blender integration
WolvenKit supports one-click Blender imports for fully shaded Cyberpunk meshes using the Multilayered material shader.checked 15 Oct 2026
Build pipeline
Workflows support browsing, extracting, modifying, and repacking REDengine assets into archives.checked 15 Oct 2026
Build workflow
WolvenKit can browse, extract, modify, and repack game files into archives for use in the game.checked 1 Oct 2026
CLI
A separate WolvenKit.Console package provides a command-line interface used by other applications, although the documentation calls it increasingly obsolete.checked 15 Oct 2026
Command line tool
The WolvenKit Console package is a separate CLI formerly known as CP2077Tools and is described as increasingly obsolete.checked 1 Oct 2026
Developer documentation
The public developer documentation covers contributing procedures and high-level code guidance but identifies itself as an early work in progress.checked 15 Oct 2026
Developer language
The application is primarily written in C# and its graphical interface uses WPF.checked 15 Oct 2026
Distribution
Stable and nightly builds are distributed through GitHub releases, with portable ZIP archives and an installer option.checked 1 Oct 2026
File editor
The RTTI-based File Editor can inspect, edit, save, and convert REDengine files to and from JSON.checked 15 Oct 2026
Funding model
RED Modding Tools says its software is free and accepts optional Patreon contributions; its Patreon page showed $11.99 per month and 34 members when opened.checked 15 Oct 2026
Game coverage
The project supports Cyberpunk 2077 and The Witcher 3: Wild Hunt, with current development centered on REDengine 4.checked 15 Oct 2026
Game focus
The repository focuses on REDengine 4 for Cyberpunk 2077; a separate WolvenKit 7 project covers The Witcher 3: Wild Hunt.checked 1 Oct 2026
Installation model
The normal distribution is portable: users extract a ZIP and run WolvenKit.exe, while an installer package is also offered.checked 15 Oct 2026
Latest notable release
Release 9.1.0 dated October 10, 2026 added editor descriptions, workspot-node expansion, changelog display in update prompts, and confirmation before major-version auto-updates.checked 15 Oct 2026
License
The source code is open source under the GPL-3.0 license.checked 15 Oct 2026
Limit: installer
The documentation reported installer issues as of December 2024 and recommends the portable ZIP as the default.checked 15 Oct 2026
Limit: mesh import
Mesh imports require an existing target mesh file, triangulated geometry, correctly named submeshes, and fewer than 65,535 triangles per mesh.checked 15 Oct 2026

The company

Company event
A 2021 academic account states that CD Projekt Red hired the creators of WolvenKit and that their studio Yigsoft became part of CD Projekt while remaining operationally separate.checked 15 Oct 2026

Where it runs

Limit: Linux graphics
Known Linux issues include non-working mesh preview, incorrect font loading, and a non-transparent stable-version splash screen.checked 15 Oct 2026
Linux support
Linux use is possible through Proton, but the project warns that compatibility and stability are not guaranteed.checked 15 Oct 2026

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