Cuelio — Transcript Search & AI for YouTube™

Find moments in YouTube™ videos with transcript search, AI answers, and one-click timestamp jumps.

Cuelio turns any YouTube™ video into something you can search. Find the exact line in a long lecture, ask a question about what was said, search the comment thread, and jump straight to the second that matters — without rewatching or scrubbing. SEARCH THE TRANSCRIPT • Search by keyword, phrase, quote or topic • See highlighted matches with the surrounding context • Step through results with live match counts • Switch between manual, auto-generated and translated caption tracks ASK cuelioAI • Ask questions about the video you are watching • Every answer stays tied to evidence from the transcript • Open the exact timestamp behind each answer • Optionally include selected comments as extra context SEARCH THE COMMENTS • Find questions, complaints, recommendations and tool mentions • Filter by creator or pinned comments, or sort by likes • Stop scrolling through thousands of replies JUMP TO THE EXACT MOMENT • One click opens the right second in the player • Follow mode keeps the transcript in sync with playback • Copy any line together with its timestamp KEEP WHAT MATTERS • Save videos worth revisiting to a local library • Organize saves with your own categories and tags • Export the full transcript as TXT or SRT NEW IN 0.4.0 • Save timestamped moments, quotes and personal notes • Export a full transcript, selection or time range as TXT, SRT or Markdown • Summarize the available transcript or search by meaning with cuelioAI • Smoother long transcripts, cancellable AI requests and clearer loading states • Interface available in 25 locales Transcript features require available captions. AI usage limits apply. Premium adds cloud library and note sync, and saved AI conversations. PRIVATE BY DESIGN Keyword transcript and comment search run locally. AI requests send your question and the relevant transcript or comment context to the Cuelio API for processing. Signing in uses account services; Premium synchronizes saved videos, notes and AI conversations with your account. Core local features do not require an account. USE CUELIO TO • Review a lecture without rewatching it • Find the command or config buried in a long coding tutorial • Pull quotes and evidence out of interviews, talks and podcasts • Turn viewer comments into product and content research • Study a language by finding exactly where a phrase was said Install Cuelio and start searching YouTube™ instead of scrubbing through it.