Turn long YouTube videos into something you can search and ask questions about in seconds.
Why this exists
Forgot which video mentioned something important? Search the idea and jump straight to the right timestamp.
Want a chatbot grounded in high-quality YouTube sources? Build a topic library and ask questions across all those videos.
Have a 10-hour video and need one specific section? Find the exact moment without scrubbing manually.
Studying from lecture playlists? Quickly find where a professor explained a definition, theorem, or concept.
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Semantic Search (Free)
Fast keyword meaning search. Type what you are looking for, and this finds the most relevant parts of video transcripts. No account needed for General spaces.
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Semantic Search Results
These are the closest transcript matches for your query. Use them to verify relevance before ingesting more videos or asking the LLM.
Spaces - available upon sign in
Spaces are folders for your video knowledge. Create one per topic (for example: ML lectures, startup talks, physics) so your searches and answers stay organized.
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Manage My Spaces
Rename your folders or remove ones you no longer use.
Ingest Videos / Playlists / Channels - available upon sign in
Add content so the app can search it. Paste video links, playlist links, or a channel URL, choose a space, then click Ingest.
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Search Via Chat + Follow-Up - available upon sign in
First click Search via Chat to find the best transcript evidence. Then use Chat Follow-Up for ongoing questions about that result.
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LLM Result
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This is your answer plus the evidence behind it, so you can verify exactly where each claim came from.
Support Spans
Retrieval Debug
Planner queries, lexical rescue usage, and top semantic hits.
Saved Contexts
No saved contexts yet. Save one via "Save Context" button.