Contextly: YouTube AI Assistant. Summary, Transcript & Translate - ChatGPT

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Chat with any YouTube transcript: real-time AI Summary & summarizer, SponsorBlock, translate, powered by ChatGPT, Gemini and Claude 🧠 Contextly: The Ultimate AI Copilot for YouTube Transform the way you learn, study, and explore YouTube with Contextly, the all-in-one AI assistant that turns every video into an interactive experience. Ask questions, get instant answers, generate summaries and chapters, translate conversations, and discover insights — all directly on the video page. Whether you’re a student, professional, or lifelong learner, Contextly helps you save time, understand faster, and learn smarter from any video. New Features: 🗝🗝🗝 Bring Your Own Key (BYOK) — Enhanced Privacy and Control for Contextly Users The new Bring Your Own Key (BYOK) feature in Contextly gives users complete control over how their data and AI interactions are managed. With BYOK, you can now connect your own OpenAI API key directly to Contextly, allowing you to take full advantage of the tool’s intelligent capabilities while maintaining full ownership and transparency over your usage. By using your own API key, you decide how tokens are consumed, what model versions are used, and how data flows through your personal OpenAI account. This means that none of your interactions are processed through Contextly’s shared infrastructure — everything remains tied to your own credentials. Whether you use GPT‑5 for research, writing, coding, or brainstorming, BYOK ensures your data stays private and your experience remains flexible and aligned with your workflows. Setting it up is straightforward: just open the settings panel, paste your API key once, and Contextly will handle the rest seamlessly. From that point on, all responses, summaries, and analyses are generated securely through your key, with no compromises on speed, reliability, or quality. BYOK is designed for professionals, developers, and privacy‑conscious users who want to unlock the full power of Contextly while keeping complete autonomy over their AI usage. It’s your data, your rules — now fully supported by Contextly. AI supported for BYOK: ChatGPT, Gemini and Claude. More vendors coming soon... 🚀 Key Features 🔹 Real-Time AI Chat for YouTube Talk to an intelligent AI that actually understands the video you’re watching. Ask questions, get instant explanations, and explore complex ideas without pausing the video. 🔹 Instant YouTube Video Summaries Get concise, high-quality AI summaries powered by Gemini and GPT models. Choose between short, medium, or detailed summaries — complete with timestamps and key takeaways. 🔹 Smart YouTube Chapter Generator Automatically create chapters and outlines for any video. Jump to the most relevant sections instantly with one click. 🔹 Intelligent In-Video Search Find exactly where something is mentioned — no more endless scrubbing. Search keywords, phrases, or topics and navigate to precise timestamps. 🔹 “Lyrics Mode” with Live Translation Turn YouTube videos or speeches into interactive lyric sheets. Translate words in real time and get contextual meanings, pronunciations, and cultural notes. 🔹 Shorten & Condense YouTube Long YouTube Videos Too long? Let Contextly intelligently shorten tutorials, lectures, or podcasts into a compact, watchable version that keeps the essentials. 🔹 Image & Visual Search Pause the YouTube video, click on any frame, and ask the AI to describe, analyze, or find similar images across the web. Perfect for visual learners and researchers. 🔹 Multilingual AI Assistant (120+ Languages) Chat, translate, and summarize YouTube videos in your preferred language. Contextly automatically adapts to your browser’s language — English, Español, Français, Italiano, 日本語, 한국어, العربية, and more. 🔹 Personal Timeline & History All your AI conversations, summaries, and chapters are stored securely. Revisit them anytime and continue chatting from where you left off. 🔹 Smart Notes & Sharing Export your AI chats, transcripts, or video insights for research, writing, or study sessions. Perfect for content creators, journalists, and students. 🔹 SponsorBlock Automatically detect and skip sponsor segments while watching YouTube videos. Contextly identifies sponsored intervals in real time and lets you bypass them instantly for an uninterrupted, streamlined viewing experience. 🎯 Why Contextly Outperforms Other YouTube AI Tools Unlike traditional video summarizers, Contextly isn’t just about compression — it’s about understanding. While other extensions stop at generating summaries, Contextly lets you interact with the video content, explore context, and build real knowledge. It combines the best of ChatGPT, Claude, and Gemini-powered AI in a sleek, distraction-free sidebar built for YouTube. Contextly’s features are powered by advanced large language models, optimized for speed, accuracy, and context awareness — so answers always stay relevant to what’s happening in the video. 💡 Perfect For 🎓 Students & Researchers — Master any topic faster with summaries, transcripts, and interactive Q&A. 💼 Professionals & Lifelong Learners — Save hours analyzing business talks, tutorials, or tech conferences. 🧑‍🏫 Educators & Trainers — Turn YouTube videos into dynamic lessons with interactive breakdowns. 🎬 Content Creators & Reviewers — Extract quotes, data, and scenes with AI search and timestamped transcripts. 🌍 Language Learners — Translate, explain, and interpret spoken phrases or lyrics in real time. ⚙️ How It Works Install Contextly from the Chrome Web Store. Open any YouTube video — the Contextly sidebar appears automatically. Chat with the video, summarize it, translate it, or generate chapters in seconds. Save and share insights or continue your previous sessions anytime. 🌐 Additional Highlights 🧩 Works seamlessly with all YouTube videos (lectures, podcasts, news, music, tutorials). ⚡ Powered by next-gen AI engines (Gemini, GPT-4, Claude, Mistral). 🔒 Privacy-friendly: nothing is shared without consent. 🆓 Free to try — premium plans available for unlimited AI interactions. ⚙️ Contextly Options — Customize Your YouTube Experience Take full control of your YouTube interface with Contextly Options, the ultimate YouTube customization tool designed for productivity and focus. Hide anything you don’t want to see — comments, recommendations, ads, Shorts, end screens, info cards, and distracting elements — and create your own clean, minimal, distraction-free YouTube layout. With this feature, Contextly goes beyond AI interaction: it becomes a complete YouTube enhancer and blocker that helps you filter noise, declutter your feed, and design your own perfect YouTube experience. Great for students, educators, and professionals who want smart productivity on YouTube without distractions. 🧰 Contextly Tools — Power Features for Smarter Watching Contextly also includes a suite of YouTube power tools directly integrated into the video player — giving you total control over playback and interaction. With Contextly Tools, you can: 📸 Capture high-quality screenshots of any video frame instantly. 📝 Copy or download full transcripts with timestamps for notes or research. 🔊 Boost volume beyond YouTube’s limit, perfect for quiet YouTube videos or laptop speakers. 🖱️ Scroll with your mouse wheel to adjust volume, speed, or brightness on the fly — smooth and intuitive. 🔁 Loop any part of a video or replay entire sections automatically. ⚡ Enjoy fine-tuned playback control that makes YouTube feel faster, smarter, and more responsive. Together, these AI-powered YouTube tools transform the platform into your personal video research studio — perfect for learning, content creation, or productivity workflows. Contextly transforms passive watching into active understanding. Experience the new way to interact, learn, and explore — right on YouTube. Download Contextly today and unlock a smarter, faster, multilingual YouTube experience Permissions: This extension allows you, after clicking the “Crop” button, to capture an image of the video player in the active tab. The permission “Read and change all your data on the websites you visit” might appear very broad, but we request it solely to: detect the YouTube video player in the page you’re on; capture the visible screenshot of the video to let you select and crop the region you want; we do not access or transmit any other webpage data or content without your explicit action. The process is entirely under your control: you click the button, you select the area, you confirm the crop.

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