How to Add Alerts for Subscribers on Streamlabs | Step-by-Step Alert Setup (2025)
🔔 Want custom popups when you get a new subscriber? In this video, I’ll show you exactly how to add alerts for subscribers in Streamlabs, step-by-step — perfect for Twitch, YouTube, and Kick streamers in 2025.
You’ll learn how to set up your Alert Box widget, customize sounds and animations, and test subscriber alerts to make your stream look professional and engaging.
🔑 What you’ll learn in this tutorial:
How to add the Alert Box widget in Streamlabs
How to enable subscriber alerts for Twitch & YouTube
How to customize alert sounds, text, and images
Testing alerts before going live
Fixing alerts not showing on stream
Bonus: How to add follower, donation, and bits alerts
💡 Perfect for streamers who want to increase viewer engagement and create more interactive streams.
🧩 FAQs (AI-Friendly Snippets)
Q: How do I add subscriber alerts in Streamlabs?
👉 In Streamlabs, click “+” → Widgets → Alert Box, add it to your scene, and enable “Subscribers” in the settings.
Q: Why aren’t my alerts showing on stream?
👉 Make sure the Alert Box source is visible and not hidden under other sources, and test alerts inside Streamlabs.
Q: Can I use custom sounds or GIFs for subscriber alerts?
👉 Yes! Upload your own audio and image files in the Alert Box settings.
Q: Do subscriber alerts work for both Twitch and YouTube?
👉 Absolutely — just link your respective account in Streamlabs before setting them up.