Where do I put the .lua file in SteamTools?

Move the generated .lua file into your /SteamTools/config/games/ directory. You must restart the SteamTools application for the manifest changes to take effect.

How do I fix the Steam Manifest Unavailable error?

The 'Manifest Unavailable' error occurs when your local data structure is out of sync. Generating a fresh Lua manifest script using our tool forces the client to recognize the files without needing a full redownload.

Is this Steam Manifest Generator free and safe?

Yes, it is 100% free and processes everything locally in your browser. We use public Steam APIs to fetch the correct AppID and depot data safely.

SteamTools Lua & Manifest Generator (2026)

What is a Steam Manifest and Why Do You Need It?

A Steam App Manifest (typically an .acf file) is a core data file used by the official Steam client to track installed games, update states, and directory locations. If you use advanced library managers like SteamTools or ManiLua, you require a specialized .lua manifest script to bridge the gap between your local game files and the library interface.

How to Fix "Steam Manifest Unavailable" Error

The highly common "Manifest Unavailable" error occurs when Steam loses sync with your local depot configuration. Instead of redownloading gigabytes of data, you can bypass the Steam manifest download by generating a correct Lua file.

Step-by-Step: How to Generate a Lua Script for SteamTools

Find the AppID of the game you wish to manage (you can find this via the Steam store URL or SteamDB).
Paste the AppID into our SteamTools Lua Generator search bar above.
Wait for the tool to securely fetch the metadata, ensuring the generated depot IDs are mathematically accurate.
Click Download Lua Config to save the file to your computer.
Move the downloaded .lua file directly into your /SteamTools/config/games/ folder.
Restart your SteamTools client. The manifest error will be completely bypassed.

Pro Tip for Library Management:

Always ensure you name the Lua file exactly as the AppID (e.g., 1245620.lua) before placing it in the config folder. Our generator automatically names the file correctly for you during download.

Frequently Asked Questions (FAQ)

Where exactly do I put the .lua file?

Navigate to your installation directory and move the downloaded file into your /SteamTools/config/games/ folder. You must restart the application for the changes to initialize.

Is this .acf / Lua generator free to use?

Yes, our Steam manifest generator is completely free. We securely query public APIs to retrieve accurate AppID metadata without requiring you to log in.

Can I get banned for using a custom Lua manifest?

This tool simply generates local configuration scripts to help your third-party managers read data. However, always ensure you comply with the Terms of Service of Valve and any third-party software you are utilizing.