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SPECIFICTION
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FModel

fmodel.app

Free plan Windows
Visit fmodel.app
Spec score 8.4 #4 of 25 in Game Modding Tools

What it is

FModel is free, open-source Windows software for exploring and extracting content from games made with Unreal Engine. It can browse game archives, including encrypted ones, and compare two archive states to identify new or modified packages; encrypted archives require an AES key. It parses more than 30 asset types, displays their properties and offers image, audio and 3D viewing for supported content. Package properties can be shown in formats including JSON, INI, XML and TXT, and models can be saved as PSK files. An Export Session window supports batching raw data, model, world, texture and animation exports. The August 2026 release added USD export for meshes, animations, materials and worlds, plus WebP export and texture quality settings. Whole-level export is in USDA format, and sockets or attachments may not always be placed correctly. FModel is distributed as a portable x64 executable in a ZIP archive. It requires .NET 10.0 or later, and some games may require up to 2 GB of free RAM.

Spec sheet

Purpose
FModel is freeware for exploring Unreal Engine game archives.Read 5 Oct 2026 · github.com
Free plan
YesRead 20 Sep 2026 · github.com
Animation limit
The wiki says animation preview is not available and AnimSequence exports can be saved as PSA.Read 5 Oct 2026 · github.com
Archive browsing
It can display game archives, including encrypted archives, and compare archive states to show new or modified packages.Read 5 Oct 2026 · github.com
Asset parsing
The project’s site says FModel can parse more than 30 types of assets and display their properties.Read 4 Oct 2026 · fmodel.app
Asset previews
The application has image, audio, and 3D viewing capabilities for supported package types.Read 5 Oct 2026 · github.com
Batch exports
The August 2026 release added an Export Session window for batching raw data, model, world, texture, and animation exports.Read 5 Oct 2026 · github.com
Community support
The wiki directs users to its Discord server for troubleshooting and community support.Read 4 Oct 2026 · github.com
Decryption requirement
Encrypted archives require an AES encryption key to be loaded.Read 5 Oct 2026 · github.com
Export limits
The August 2026 release notes say world export is currently USD-only, and sockets or attachments may not always be placed correctly.Read 4 Oct 2026 · github.com
Installation
The installation guide instructs users to download FModel.zip from the latest release assets.Read 5 Oct 2026 · github.com
Loading modes
FModel can compare two states of the same game to show newly detected or modified files.Read 4 Oct 2026 · fmodel.app
Model export
Loaded models can be saved as PSK files for use in programs such as Blender or 3DS Max.Read 5 Oct 2026 · github.com
More export formats
The August 2026 release added USD support for meshes, animations, materials, and worlds, plus WebP export and texture quality settings.Read 5 Oct 2026 · github.com
Open source
The project says its code is open and reusable under conditions in its license.Read 5 Oct 2026 · github.com
Package inspection
FModel can extract and export game packages and show their properties in formats including JSON, INI, XML, and TXT.Read 5 Oct 2026 · github.com
Project history
The maker says it has been building FModel since March 5, 2019.Read 4 Oct 2026 · github.com
Recent export features
The August 2026 release adds USD export for meshes, animations, materials, and worlds, plus WebP export and texture quality settings.Read 4 Oct 2026 · github.com
Related API
The maker’s GitHub organization lists a public REST API used for FModel-related projects.Read 4 Oct 2026 · github.com
Security statement
The project wiki states that FModel does not contain malware, spyware, advertisements, or unwanted third-party programs.Read 5 Oct 2026 · github.com
Source availability
The project welcomes community contributions through issues and pull requests.Read 4 Oct 2026 · github.com
Supported games
The 2025 release notes say supported games expanded substantially during the year.Read 5 Oct 2026 · github.com
Supported platform
FModel is available only for Windows as a portable x64 executable distributed in a ZIP archive.Read 4 Oct 2026 · github.com
System requirement
FModel requires .NET 10.0 or later, and some games may require up to 2 GB of free RAM.Read 4 Oct 2026 · github.com
Viewers
The site describes static and skeletal mesh, animation, map, and sound preview features.Read 4 Oct 2026 · fmodel.app
World export
The August 2026 release added whole-level export, currently in USDA format.Read 5 Oct 2026 · github.com

Plans and prices

FModel Free Freeware; no payment required Read 5 Oct 2026 · github.com

Every FModel plan and price →

Strong points and limits

Strong points

  • Parses more than 30 asset types.
  • Compares archive states for new or modified packages.
  • Includes image, audio and 3D viewing.
  • Export Session supports batch exports.
  • Free and open source.

Limits

  • Available only for Windows.
  • Encrypted archives require an AES key.
  • Requires .NET 10.0 or later.
  • World export is currently USDA-only.

Who it suits

FModel suits Windows users who want to inspect or export assets from Unreal Engine game archives. It is relevant to users prepared to load AES keys for encrypted archives and meet its .NET requirement.

Verdict

FModel details its archive inspection and export capabilities, along with important platform and runtime requirements. Users should account for the AES-key requirement and current world-export limits.

Where Specifiction places it

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