Line to Discord and Discord to Line Mirror Bot

A bot that mirrors messages between Discord channels and Line – including text, images, files, and emojis – in real-time.

An example of mirrored messages on both platforms.

🚀 Features

• 🔄 Mirrors messages between channels both ways (vice versa).
• 🖼️ Supports images, files, and emojis.
• ⚡ Lightweight & easy setup with Node.js.

📦 Installation

Clone the repo and install dependencies:

git clone https://github.com/bilal-the-dev/Line-to-Discord-Forwarder-Mirror-Bot mirror-bot
cd mirror-bot
npm install

⚙️ Configuration

1. Environment Variables

Create a .env file in the root directory:

CHANNEL_SECRET=xxx
CHANNEL_ACCESS_TOKEN='xx+x/x/x+xxx/xxx/x='
DISCORD_TOKEN='x.xxx.xx'

2. Channel Mapping

Set up your config.json file to define Discord channel → Line Channel mappings:

{
  "1395817447382188042": "C96d3d16decb33fcb662f876808776d4c",
  "1395550949866737715": "Caff1e892a85826f8e1dca20324b25f38",
  "1395555255760195794": "Cf1e4329c30e497fa9992b2973fa35eb4"
}

• Keys = Discord channel IDs
• Values = Line Channel/room IDs

▶️ Running

Start the bot:

npm start

📝 Example

• When a user sends Hello 👋 in a Discord channel, the same message appears in the mapped LINE group.
• When an image is sent on LINE, it will be mirrored to the corresponding Discord channel.

📜 License

MIT License © 2025