🚀 depot-downloader

A simple Steam Depot Downloader written in JavaScript for Node.js and Bun.
Download game files directly from Steam depots using a manifest file and a decryption key.

📦 Installation

Using npm:

npm install -g depot-downloader

This installs the CLI globally so you can run depot-downloader anywhere.

⚙️ CLI Usage

Once installed globally, run:

depot-downloader --manifest <path-to-manifest> --key <decryption-key>

Optional flags:

| Flag | Description | Default | | --------------------- | ---------------------- | ---------- | | --output <dir> | Output directory | ./output | | --max-servers <num> | Max parallel downloads | 2 |

🧩 Library Usage (Programmatic)

You can also use it directly in your JavaScript or Bun project:

import { Downloader } from 'depot-downloader'

const downloader = new Downloader({
    outputDirectory: './output',
    maxServers: 2,
});

downloader.on('progress', console.log)
downloader.on('finish', console.log)
downloader.on('error', console.error)

await downloader.downloadDepot({
    manifestFile: './Path/To/File.manifest',
    decryptionKey: 'YOUR_DEPOT_KEY_IN_HEX',
})

📊 Events

| Event | Description | | ---------- | ------------------------------------ | | progress | Called whenever progress updates | | finish | Called when all files are downloaded | | error | Called if something goes wrong |

❤️ Credits

This project includes code adapted from:

• DoctorMcKay/node-steam-user (MIT License)