GDPackEditor

Grim Dawn Modding - Tutorials and Help
1

GDPackEditor

Project address GitHub - zhangqi222/GDPackEditor: Grim Dawn Resource(arc arz) editor · GitHub

A graphical tool for Grim Dawn ARZ / ARC package files: unpack, pack, solid-pack, in-package editing, and MOD merging.

This project is the successor to arzedit-GUI. The original project is no longer maintained, and this project includes all of its capabilities.

Unofficial community tool. Not affiliated with or endorsed by Crate Entertainment.

What it is

GDPackEditor is a Windows desktop tool for Grim Dawn MOD authors. It turns command-line ARZ/ARC package operations into a visual workflow and adds in-package editing, template assistance, localization helpers, and MOD diff/merge support.

The tool works in memory and a temporary directory. The original package is not modified until you save; the final result is written to a new package.

Features

  • ARZ / ARC unpack: extract by directory while preserving original in-package timestamps.
  • ARZ / ARC pack: normal, solid, incremental update, and overwrite.
  • In-package editor: browse, search, and edit files without a full unpack first; import, mark for deletion, batch edit, and save.
  • DBR assistance: template field hints, field notes, batch value/formula editing, and same-template multi-file editing.
  • In-package search: combine directory, file name, and content filters; wildcard syntax, case sensitivity, exact match, exclusions, and localized-name reverse lookup.
  • MOD merge: compare two ARZ/ARC packages, review structural and content differences, and merge selected items into a new package.
  • Template system: built-in official templates, multiple sources with source labels.
  • Localization helpers: import game language packs, show localized names, and reverse-lookup tags by translated names.
  • Bilingual UI: Simplified Chinese and English.
  • CLI: command-line usage is retained for scripting.

Screenshots

Main window Pack ARZ
Main window Pack ARZ
ARZ/ARC editor In-package search
Editor Search
MOD merge Settings
MOD merge Settings
Template selection Command line
Templates CLI

Requirements

  • Windows 10 / 11, 64-bit
  • .NET 8 Desktop Runtime (for the framework-dependent build)
  • Windows only; the UI is built with WinForms + AntdUI

This version targets .NET 8. Microsoft’s support for .NET 8 ends on 2026-11-10; an upgrade will be evaluated separately.

Download and run

  1. Download the latest GDPackEditor.exe and SHA256SUMS.txt from Releases.

  2. Verify the file (optional):

    Get-FileHash .\GDPackEditor.exe -Algorithm SHA256

  3. Run the executable. Configuration and logs are created in your user profile on first launch.

Official builds are not code-signed. Windows SmartScreen or antivirus software may warn or produce a false positive. Download only from this repository’s Releases and verify the SHA-256.

LICENSE

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