YouTube AI Summarizer

AI summaries, podcasts & chat for any YouTube video — 20+ languages, 5 free credits, BYOK or Pro from €4.99/mo.

Turn any YouTube video into a dense AI summary, a two-host podcast, or a live chat — in 20+ languages, right inside the watch page. No new tabs, no copy-paste. ■ WHAT IT DOES • Summary — 3–5 focused paragraphs, thesis first. • Key Points — 6–8 numbered takeaways, one sentence each. • Detailed Analysis — section-by-section breakdown, every study / name / number preserved. • Podcast Mode — a natural two-voice conversation (Alex & Sam) you can listen to on the go. • Ask the Video — chat with the transcript, grounded answers only. ■ HOW TO START 1. Install, open any YouTube video. 2. Sign in once — 5 free credits, no card required. 3. Pick a mode, get the result in seconds. ■ PRICING • Free — 5 credits (~5 summaries) to try every feature. • Pro — €4.99/month or €39.99/year. 300 credits/month, priority models, premium TTS voices. • BYOK (Bring Your Own Key) — unlimited with your own OpenAI / Groq / Ollama / Gemini key. No subscription, no tracking. ■ PRIVACY FIRST • No ad trackers, no analytics telemetry. • BYOK keys stay in your browser — we never see them. • Transcripts are sent to an AI provider only for the action you trigger. Nothing is stored server-side beyond what is required to fulfil your request. • Sign-in is optional (only for managed credits). • Full privacy policy: https://cemkoyluoglu.codes/yt-ai-summarizer/privacy-policy.html ■ LANGUAGES SUPPORTED (UI + summary output) English · Español (ES + LatAm) · Português (BR) · Français · Deutsch · Italiano · Nederlands · Polski · Türkçe · Русский · Українська · العربية · हिन्दी · 日本語 · 한국어 · 简体中文 · 繁體中文 · Bahasa Indonesia · Tiếng Việt · ภาษาไทย. ■ WHO IT'S FOR • Students & researchers turning lectures into study notes. • Professionals triaging long conference talks in minutes. • Creators sourcing quotes, timestamps, and narrative structure. • Anyone who wants the key argument in the language they think in. Open-source core. Built by a solo developer. No ads, no dark patterns, no mid-video upselling. Feedback & bug reports: github.com/CemRoot/yt-ai-summarizer