Learn smarter from YouTube playlists
Signal uses AI to extract key concepts from every video in a playlist. Navigate by topic, not by timeline, with our focused distraction-free viewer.
1
Paste a playlist URL
Add any YouTube playlist and we'll fetch all video metadata automatically.
2
AI extracts concepts
GPT-4o-mini analyzes transcripts to identify key topics with precise timestamps.
3
Watch with focus
Navigate videos by concept in our distraction-free viewer with auto-highlighting.
Simple, transparent pricing
Full access to Signal. Cancel anytime.
Monthly
$9/month
- AI-powered video summaries
- Smart playlist organization
- Focused viewer mode
- Unlimited playlists
Annual
$79/year
- AI-powered video summaries
- Smart playlist organization
- Focused viewer mode
- Unlimited playlists
- Two months free