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Summarize any YouTube video with AI. Get key points and Q&A — free with your own API key, or go Pro for $5.99/month. Stop watching entire videos just to find the parts that matter to you. Nexio YouTube AI adds a "Summarize with AI" button directly on every YouTube video page. One click and you get: • A 2–3 sentence TL;DR of the whole video • 5–8 key points in bullet form • 3 core questions the video answers The summary appears in a clean panel right on the YouTube page — no switching tabs, no copy-pasting. PERFECT FOR • Long conference talks and webinars you don't have time to watch in full • Tutorial videos where you just need the key steps • News and commentary videos where you want the conclusion fast • Research — quickly decide whether a video is worth watching in full • Catching up on content from creators you follow HOW IT WORKS The extension reads the video's closed captions to understand the content, then summarises it with AI. Works on any YouTube video that has captions available (which covers the vast majority of English-language content). Press Alt+S on any video page for an instant summary. NO TRANSCRIPTION REQUIRED You don't need to do anything yourself — the extension handles everything automatically the moment you click the button. GETTING STARTED Install, open any YouTube video, and click "Summarize with AI" below the video. You'll be prompted to add your key the first time. PRICING • Free: use your own Anthropic key (available at console.anthropic.com — new accounts receive free credits) • Pro: $5.99/month at nexiolabs.com — no key needed, 1,000 summaries per month included PRIVACY Your API key is stored only on your device. Video transcript data is sent to the AI only when you click the summarise button.