Important

This software is free and open source. If someone asks you to pay for it, it's likely a scam.

🆔 idSaveDataResigner-GUI - What is it ⁉️

A user-friendly GUI wrapper for idSaveDataResigner that allows you to encrypt, decrypt, and resign SaveData files from various games running on idTech Engine versions 7/8.

Features

• Main Tab: Easy-to-use interface for Encrypt, Decrypt, and Resign operations.
• Settings Tab: Configure your desired output folder.
• Batch Processing: Processes all files in the selected folder.
• Automatic Output Organization: Creates folders with suffixes based on the operation mode.

Supported titles

Game Title	Steam App ID
DOOM Eternal	782330
Indiana Jones and the Great Circle	2677660
DOOM The Dark Ages	3017860

Supported platforms

It only supports Steam versions of the games.

🤔 Is it safe?

The short answer is: No.

Caution

If you unreasonably edit your SaveData files, you risk corrupting them or getting banned from playing online. In both cases, you will lose your progress.

Important

Always create a backup of any files before editing them.

Important

Disable the Steam Cloud before you replace any SaveData files.

You've been warned. Now that you fully understand the possible consequences, you may proceed to the next chapter.

📜 How to use this tool

Installation

1. Download the latest release from the releases page
2. Put the file to a folder of your choice
3. Run resigner.exe

Usage

Main Tab

1. Select Operation: Choose between Encrypt, Decrypt, or Resign
2. Select Input Folder: Browse and select the folder containing your SaveData files
3. Game Code: Select the appropriate game code for your save files
4. User IDs:
   • For Decrypt/Encrypt: Enter your Steam ID (Old/Save SteamID)
   • For Resign: Enter both the original Steam ID and the target Steam ID
5. Process: Click the process button to start the operation

• It also adds an "INFO.txt" file inside your processed folder showcasing what you just did.

Settings Tab

• Output Folder: Set your preferred output directory
• The processed files will be saved in this location with the same input folder name plus a suffix indicating the operation performed

Important Notes

• You must know your Old (Save) SteamID as it's required for decryption
• Transfer can be done to any SteamID when resigning
• Processed files are organized automatically with descriptive folder names

Tip

You can use the SteamDB calculator at steamdb.info to find your 64-bit SteamID.

Building from Source

# Clone the repository
git clone https://github.com/denuvosanctuary/idSaveDataResigner-GUI.git
cd idSaveDataResigner-GUI

# Build the project
cargo build --release

# Run the application
cargo run

Requirements

• A Functioning brain

❤️ Credits

This GUI is built upon the excellent work of mi5hmash and their idSaveDataResigner project. All core logic and SaveData processing functionality is credited to their original implementation.