Back to Utility Suite
Open Source Utility

ETS2/ATS SII Decrypter

A high-speed desktop companion program designed to decrypt binary format Euro Truck Simulator 2 and American Truck Simulator save files (`game.sii`). Modify career profiles, unlock level requirements, custom-tune company finances, and repair corrupted saves locally and instantly.

Active Stable Release
Versionv1.0.0
PlatformWindows (64-bit)
Source

Key Features

  • Binary to Text Decoding

    Converts highly compressed simulator save files (`game.sii`) into readable text format so they can be modified by any text editor.

  • Fast Save Repair

    Diagnoses syntax irregularities, automatically resolving formatting bugs and backup errors in corrupt profile outputs.

  • Privacy & Speed Focused

    Runs locally on your computer. Your game profiles and data never leave your desktop, operating completely offline.

How to Use

1

Change your simulator config setting g_save_format to "2" to save profiles in correct binary export encoding.

2

Drag and drop your target save file game.sii directly onto the decrypted executable file, or run it through terminal.

3

Open the now-plain text file in Notepad or VS Code, perform adjustments, and save. Load the profile in-game!

Frequently Asked Questions

Where are ETS2 and ATS save files located?

By default, your saves are in your Documents\Euro Truck Simulator 2\profiles\ or Documents\American Truck Simulator\profiles\ folder.

Will using the decrypter cause game bans?

No. Euro Truck Simulator 2 and American Truck Simulator are single-player and co-op focused with no anti-cheat constraints. You are safe to customize profiles.