CleoSum — AI YouTube Video Analysis

AI analyzes YouTube videos before you click. See scores, summaries, comment insights & transcripts on thumbnails.

See before you click. Stop wasting hours on videos that don't deliver. CleoSum puts AI-powered analysis directly on every YouTube thumbnail — summaries, scores, comments, transcripts — so you know if a video is worth your time before you ever hit play. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ WHAT YOU GET ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ◆ AI Summary TL;DR · Watch / Skim / Skip verdict · key takeaways · timestamped moments · notable quotes ◆ Usefulness Scores (1–10) Info Density · Water / Filler · Clickbait · Sentiment · Production quality ◆ Comment Analysis Viewer sentiment · top likes · common complaints · interesting takes · real quotes ◆ Full Transcript Searchable · clickable timestamps that jump to the exact moment ◆ Shareable Pages Every analysis gets a public link (cleosum.com/video/ID) for docs, Slack, or citations ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ HOW IT WORKS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1. Install CleoSum 2. Hover any YouTube thumbnail — a slim button bar appears 3. Click Summarize · Comments · Transcript 4. Get structured AI insights in seconds ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ WORKS ACROSS ALL OF YOUTUBE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Homepage · Search · History · Subscriptions · Trending Watch Later · Liked videos · Custom playlists · Mixes Channel pages · Watch-page sidebar suggestions ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 25+ LANGUAGES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ English · Spanish · French · German · Portuguese · Russian · Ukrainian Italian · Dutch · Polish · Turkish · Swedish · Danish · Norwegian · Finnish Czech · Chinese · Japanese · Korean · Arabic · Hindi · Thai · Vietnamese Indonesian · Malay Output language is configurable in the side panel — analyze videos in one language, read results in another, with quoted phrases preserved in the original and translated in italics. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ PLANS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ▸ Free 5 lifetime analyses · no credit card ▸ Pro — $4.99/mo (annual) · $9.99/mo (monthly) 50 analyses/day · all core features · unlimited videos ▸ Pro+ — $9.99/mo (annual) · $14.99/mo (monthly) 100 quick + 10 Deep analyses/day · Deep Analysis mode uses Claude Sonnet 4.6 for the sharpest long-form output Cancel anytime. Stripe checkout & billing portal. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ PRIVACY ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ CleoSum processes only the video transcripts and public comments you explicitly analyze. We do NOT: ✕ track your browsing history ✕ read other tabs ✕ touch your YouTube cookies ✕ sell or share user data Analysis results are cached by video ID so repeat queries are free. Full policy: https://cleosum.com/privacy ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ WHO IT'S FOR ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ◇ Researchers triaging dozens of sources a day ◇ Students deciding if that 45-min lecture is worth it ◇ Creators studying their own (or competitor's) comments ◇ Anyone tired of 20-minute videos that could've been a paragraph ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SUPPORT ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ⟶ cleosum.com ⟶ support@cleolead.com ⟶ Feedback form in the extension side panel Make every minute on YouTube count.