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Open Source Utility

ETS2 / ATS Convoy Size Editor

Expand your multiplayer convoys up to 128 players. Safely adjust g_max_convoy_size in Euro Truck Simulator 2 and American Truck Simulator config files with automatic backups and CLI automation.

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

Key Features

  • Multiplayer Limit Expansion (8 - 128 Players)

    Unlock massive multiplayer sessions by increasing the official convoy player cap from default 8 slots up to 128 drivers.

  • Dual Game Support (ETS2 & ATS)

    Automatically locates and updates both Euro Truck Simulator 2 and American Truck Simulator config.cfg files in one place.

  • Automatic Safety Backup & Restore

    Generates timestamped .bak copies before saving any modifications, ensuring instant 1-click restoration if needed.

  • Quick Presets & CLI Automation

    Instant one-click presets for 8, 16, 24, 32, 64, and 128 players alongside command-line arguments for automated scripts.

How to Use

1

Make sure Euro Truck Simulator 2 or American Truck Simulator is closed before applying edits.

2

Open ETS2/ATS Convoy Size Editor. Select your game and pick a desired convoy size using the slider or preset buttons (e.g. 32, 64, or 128).

3

Click Apply. Start your game, host a Convoy session, and invite your fellow truckers!

CLI Mode Usage

# Set convoy size to 64 for both ETS2 & ATS
ETS2_ATS_Convoy_Size_Editor.exe --size 64

# Set convoy size to 128 for ETS2 only
ETS2_ATS_Convoy_Size_Editor.exe --size 128 --ets2

Frequently Asked Questions

Do all players in the session need to use this tool?

No. Only the session host needs to adjust their convoy player limit. Joining players can connect seamlessly via the regular in-game Convoy lobby without modifying their game files.

Is this safe and allowed by SCS Software?

Yes, 100%. g_max_convoy_size is an official configuration parameter implemented natively in the Prism3D game engine by SCS Software. It does not cause bans or corrupt saves.

What happens if I set a value above 128?

The tool validates inputs strictly between 8 and 128. The simulator game engine enforces a hard maximum ceiling of 128 players for stability, which prevents networking overflows.

Can I easily restore default game settings?

Yes. You can either select the 8 (Default) preset button or restore the automatic .bak backup file generated during each modification.