Antechamber
A small pause before YouTube distractions.
It doesn’t block YouTube — it interrupts autopilot. Open something distracting and you get a calm 5-second gate: “Is this worth your time?” It learns what you actually care about, on your device.
● Now live on the Chrome Web Store.
Threshold
Is this worth your time?
“Top 10 epic fails 2024” · DramaAlert
← Go back
Watch anyway5
Marked wrong? It’s productive →
Tags every video
Each video and channel gets a quiet productive / distraction tag, right in your feed.
Gates the distractions
A short, dismissible pause with a countdown — you decide, then go back or watch on.
Learns on your device
Calibrates to your real homepage and adapts to your corrections. No servers, no tracking.
In your feed
✓ productive
✗ distraction
Now live on the Chrome Web Store
Free, open source, and fully on-device. Install it in one click.
Or ⭐ the GitHub repo to follow along.