Are YouTube summaries good enough for studying?
· SageTube Team
Summaries are fine for deciding what to watch. Studying needs follow-up questions, source checking, and recall practice — things a static summary cannot do.
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Tips, updates, and stories from SageTube — how to search, cite, and archive YouTube content with AI.
How to get a YouTube transcript via SageTube
· SageTube Team
Click the Transcribe button the SageTube Chrome extension adds to any YouTube watch page — or pick Transcribe with SageTube from a video card's three-dot menu. Captioned videos cost $0.01 per minute; caption-less videos go through audio transcription at $0.05 per minute.
Read more →How to summarize a YouTube video with SageTube
· SageTube Team
Two ways to get a structured summary of any YouTube video: the Summarize button the SageTube Chrome extension adds to the watch page, or the Summarize with SageTube item in a video card's three-dot menu — no need to open the video at all.
Read more →What happens when no transcript supports the question
· SageTube Team
When no passage in an Expert's transcripts supports a question, SageTube returns a fixed refusal instead of a guess. A server-side validator — not the model's goodwill — enforces it.
Read more →How precise are the timestamps in SageTube citations?
· SageTube Team
A SageTube citation opens the video within a few seconds of the quoted moment. Here's the pipeline that makes that possible — and why transcript-text tools like NotebookLM can't point into the player timeline at all.
Read more →Podcasters and 500-episode back catalogues: making them searchable
· SageTube Team
A 500-episode podcast at 90 minutes per episode is 750 hours of audio — a catalogue nobody can scrub through. Making it searchable means transcribing every episode, keeping the timestamps, and putting question-answering on top. Here is what that takes in practice, with real numbers from SageTube's production index.
Read more →Archiving a YouTube Channel as a Knowledge Base: Why Creators Lose 80% of Their Own Insights
· SageTube Team
The average channel in SageTube's index holds 251 videos — about 67 hours of talking. No creator can re-find what they said in upload #113, and no fan will scrub for it. Archiving the channel as a searchable knowledge base turns that dead catalogue back into an asset: for the audience, and for the creator's own memory.
Read more →How long would it take to watch every Andrej Karpathy lecture vs. ask one question across all of them?
· SageTube Team
Karpathy's published lecture material — Zero to Hero, the CS231n course, the standalone LLM talks — adds up to roughly 40 hours of video. Watching it all takes a week of full-time effort; asking one question across an indexed copy of it takes about ten seconds, with a timestamp to verify the answer.
Read more →The Time-Scarcity Problem: Why 1B Hours of YouTube Is Functionally Unsearchable
· SageTube Team
YouTube search indexes titles and tags, not the words spoken inside videos. With 500+ hours uploaded every minute, nobody can watch their way to an answer. Here is why video became the largest locked knowledge store on the internet — and how RAG over transcripts opens it.
Read more →Installing the SageTube Chrome Extension
· SageTube Team
Where to get the extension, how Google sign-in works, which browsers are supported, and what each of its three permissions is actually for.
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