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TubeSum
TubeSum is a Chrome extension that automatically generates concise summaries of YouTube videos, allowing you to quickly grasp key points without watching entire videos
last checked Jul 16, 2026 · Unknown
CohortClass of 2026What it is
TubeSum is a Chrome extension that automatically generates concise summaries of YouTube videos, allowing you to quickly grasp key points without watching entire videos. Save time and extract insights directly from YouTube content with AI-powered summarization.
HTTP liveness
8 probes since Jun 16Jun 16Jul 16
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — unverifiedTimeout
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Pulse Indexobserved activity
8 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
567 products launched in 2026 · 100% still active
567 active0 sunset
Still active
100%
Median lifespan
4.9y