Create On-Screen Effects That React to Chat

Merry Christmas

Setup Guide

1. Install the CastCraft Desktop App

First, visit the official CastCraft website and download the desktop application.

Download CastCraft

Double-click the downloaded file to begin installation.

2. Log In

After launching CastCraft, click the “Log in to CastCraft” button.
Be sure to log in using the YouTube account that will be streaming.
CastCraft Setup Step 2

Switch to the “YouTube” tab in CastCraft and confirm that YouTube Studio is displayed.

If a different YouTube channel is shown in the YouTube tab, click the icon in the top-right of YouTube Studio and switch to the correct account.
CastCraft Setup Step 3

3. Install the Screen Feature

The Screen feature requires additional installation. Download it from the Screen tab in CastCraft, then double-click the installer from your Downloads folder.

Once the Screen tab shows that it’s successfully launched, installation is complete.
(Note: the first launch may take time.)

4. Add Screen to OBS

In OBS, add a “Video Capture Device” source and select “CastCraft Screen” as the device.
OBS Video Capture Device

If "CastCraft Screen" does not appear, try using NDI Output to OBS

5. Set Up Interactions

Click the “Screen” tab inside the CastCraft app to launch Screen.
(The first launch may take time.)
After launch, switch the top bar to “Craft Mode.”
Craft Mode

Then select the “Interaction Settings” tab.
Interaction Settings

Click the “Settings” button next to the effect you want to configure in the Interaction List.
Interaction List

If you want to add effects not included by default, click the "+" button next to “Interaction Settings.”

Add Interaction

6. Set Chat Trigger Conditions

You can configure chat-based triggers, such as keyword match or comment count, for each effect.

Click the “Add Condition” button under “Chat Trigger Conditions.”
Create Chat Trigger Condition

Fill out the condition details and click “Create” to set how and when effects should appear based on chat behavior.
Chat Trigger Condition Example

Tips for Configuring Chat Conditions

Using It During Your Stream

7. Launch Screen Before Streaming

To display effects with Screen, launch the Screen tab before going live.

8. Start Your Stream from the “YouTube” Tab

Go to CastCraft’s YouTube tab and begin your stream.
Start Streaming - Step 1

Then, start your stream from your broadcasting software (e.g., OBS).
Start Streaming - Step 2

9. Connect to the Stream via “Live Dashboard”

Click the green “Connect to Stream” button in Live Dashboard.

Capturing comments here is required to enable most CastCraft features.

Start Streaming - Step 4