⚙️ How InfoCaptor AI Works

InfoCaptor AI turns any YouTube video into an organized, connected knowledge base with summaries, entities, tags, word clouds, and a filterable knowledge graph. It’s your second brain 🧠 — and you can see it.

🚀 Add to Chrome – It’s Free


🪄 Three Simple Steps

From click ➜ summary ➜ knowledge graph.

1
Download Extension

Install the free Chrome extension from the Chrome Web Store.

Install Now
2
Launch on Any YouTube Video

Open a video ➜ click the InfoCaptor AI icon ➜ hit Summarize. We fetch the transcript and generate TL;DR + insights.

Works with long-form, podcasts, lectures, interviews, and tutorials.
3
View Transcripts & Summaries

Everything is saved locally in your browser. Log in to sync to your account and build dashboards automatically.

No account required to get started.

📦 What You Get From Each Video

Structured outputs that make learning and research effortless.

TL;DR Summary

Clear, concise points that capture the essence in seconds.

Full Transcript

The entire conversation for search, quotes, and references.

Entities & Keywords

People, products, concepts — extracted and made filterable.

Tags & Categories

Auto-tagged for instant organization across your library.

Word Cloud

At-a-glance topic density with interactive visuals.

Knowledge Graph

A filterable network of videos, entities, tags, and themes.

See a live example →

💾 Local First, Cloud When You Want

Your data, your choice.

Local-Only (No Login)
  • ✅ Transcripts & summaries saved in your browser
  • ✅ Works offline for previously processed videos
  • ✅ Zero setup, zero friction
  • 🔒 Stays on your device
Account Sync (Optional)
  • ☁️ Syncs transcripts & summaries to your account
  • 📊 Auto builds dashboards by channel, tag, and entity
  • 🧠 Enables the filterable knowledge graph
  • 🔍 Global search across your entire library

🧠 Knowledge Graph = A Brain You Can See

As you collect summaries, InfoCaptor AI builds a visual map of how ideas connect — videos ↔ entities ↔ tags ↔ categories. Filter by type, zoom into clusters, and spot patterns instantly.

Try it on real dashboards: Y Combinator · Neil Patel

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Ready to Build Your Visual Second Brain?

Summarize smarter. Connect ideas faster. Learn in minutes.

🚀 Add to Chrome – It’s Free

🔍 A Deep Dive into the InfoCaptor AI Process

InfoCaptor AI isn’t just a simple transcript grabber — it’s a complete end-to-end intelligence engine that transforms raw YouTube content into a connected, visual knowledge system. Here’s exactly what happens, step by step:

1️⃣ Video Detection & Transcript Retrieval

As soon as you launch the Chrome Extension while watching a YouTube video, InfoCaptor AI detects the active video and accesses the platform’s caption data (where available). Using a secure, non-invasive method, the transcript is extracted in full — no matter if it’s a short 5-minute clip or a 3-hour podcast.

  • Supports videos with official captions or auto-generated captions
  • Preserves time markers for potential future navigation features
  • Handles multi-speaker content seamlessly
2️⃣ Automatic Local Storage + Cloud Sync

Once retrieved, the transcript is stored instantly in your browser’s local storage — meaning it’s available even offline. If you’re logged in, it’s also synced securely to your InfoCaptor Cloud Dashboard, where it becomes part of your searchable personal archive.

  • No account? Works entirely locally
  • With account: Enables cross-device access, cloud backups, and advanced features
  • Data transfer is encrypted end-to-end
3️⃣ On-Demand Summarization

With a single click on the “Summarize” button, InfoCaptor AI’s language model processes the transcript to produce a structured, human-readable summary. This isn’t a generic one-paragraph summary — it’s intelligently formatted into sections with clear, concise points.

  • Highlights main topics and key moments
  • Organizes ideas into logical groupings
  • Retains context while removing filler content
4️⃣ Entity Extraction

Alongside the summary, InfoCaptor AI identifies all notable entities mentioned in the video — people, brands, locations, events, and key concepts. Each entity becomes clickable and filterable within your dashboard.

  • Improves searchability across multiple videos
  • Helps identify recurring themes and influencers
  • Enables automatic cross-linking in the Knowledge Graph
5️⃣ Tagging & Categorization

Based on the video’s content, InfoCaptor AI assigns relevant tags and places it into pre-defined or auto-created categories. This creates an organized taxonomy for your knowledge base without manual input.

  • Tags are generated from keywords, topics, and detected entities
  • Categories group videos for thematic analysis
  • Fully filterable within your account dashboard
6️⃣ Word Cloud Generation

To give you a quick visual snapshot of the video’s focus, InfoCaptor AI builds a word cloud showing the most frequently used terms. Larger words represent higher frequency, allowing instant recognition of core topics.

  • Helps spot dominant ideas instantly
  • Interactive — click a word to see related content
  • Visual reinforcement of textual summaries
7️⃣ Knowledge Graph Integration

Every new summary, entity, and tag updates your personal Knowledge Graph — a living network that maps how your videos, topics, and ideas are interconnected. This makes your learning visible and navigable.

  • Connects videos via shared entities and tags
  • Filter by type: summaries, entities, categories, tags
  • Reveals hidden patterns in your knowledge base
8️⃣ Search & Retrieval

With all data stored in structured form, you can search your entire library — by keyword, entity, tag, category, or even exact phrases. This turns passive watching into an active, reference-ready knowledge system.

  • Find content from months ago in seconds
  • Cross-reference between channels and topics
  • Perfect for researchers, students, and content creators

❓ Frequently Asked Questions

Everything you need to know before using InfoCaptor AI

No. You can install the Chrome extension, summarize videos, and store transcripts locally in your browser without creating an account.

However, logging in unlocks cloud sync, cross-device access, the filterable knowledge graph, and global search across your entire library.

The transcript is immediately saved in your browser’s local storage. If you’re logged in, it’s also synced to your secure InfoCaptor Cloud Dashboard. From there, you can trigger summarization, entity extraction, tagging, and word cloud generation.

Accuracy depends partly on YouTube’s transcript quality. If captions are clear, the AI produces highly accurate, structured summaries. Our summarization engine is designed to remove filler, organize topics into sections, and highlight the most valuable points without losing important context.

Yes — in many cases, InfoCaptor AI can identify the host or notable speakers by name if they are mentioned in the transcript. The detected names also appear as entities in your dashboard and can be used to filter your content.

Entities are key items mentioned in a video — such as people, products, companies, locations, or concepts. InfoCaptor AI extracts these automatically so you can filter, search, and connect videos that mention the same things, powering your personal knowledge graph.

Based on the transcript, summary, and extracted entities, InfoCaptor AI automatically generates relevant tags and assigns the video to a category. This ensures your library stays organized without you lifting a finger.

The Knowledge Graph is a visual network of your videos, tags, entities, and categories. Every time you process a new video, its entities and tags are added to the graph, creating more connections and helping you discover related content.

Local mode keeps all transcripts and summaries inside your browser. If you use cloud sync, all data is encrypted during transfer and securely stored on our servers. We never sell or share your data.

Yes — you can copy summaries directly, download transcripts, or share your entire channel/tag/entity dashboards via unique links.

The Chrome extension itself works on desktop browsers. However, if you log in, you can access your cloud dashboard — with all transcripts, summaries, and the knowledge graph — from any device, including mobile.

Works best with content-rich videos: - Podcasts - Interviews - Lectures & educational videos - Tutorials & webinars - Long-form discussions Short-form videos can also be processed, but the benefits of summarization and entity mapping are most noticeable in longer content.

🧠 Real People, Real Use Cases

Discover how InfoCaptor AI helps different professionals turn YouTube into a powerful second brain.

🎓 The PhD Researcher

Extracts insights from hours of interviews to build an academic knowledge base.

Read Full Story
🧑‍💼 The Busy Executive

Stays ahead of industry trends by summarizing long-form talks instantly.

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🩺 The Medical Student

Captures key clinical takeaways and builds a searchable study dashboard.

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🗞️ The Journalist

Tracks quotes, sources, and themes from breaking news interviews.

Read Full Story
👩‍🏫 The Educator

Builds engaging lessons by extracting key points from long videos.

Read Full Story
🚀 The Startup Founder

Monitors product mentions and competitors in influencer videos.

Read Full Story
🧠 The Neurodivergent Learner

Reduces overwhelm and supports visual retention with summaries and word clouds.

Read Full Story
🎥 The Content Creator

Speeds up video research and scripting with instant topic breakdowns.

Read Full Story
🌍 The Nonprofit Researcher

Analyzes global policy and regional updates from field video content.

Read Full Story
📚 The Curious Viewer

Builds a personal second brain from everyday YouTube learning.

Read Full Story
📖 The BookTuber

Summarizes author interviews and extracts themes to create richer, more insightful reviews.

Read Full Story
🧠 The Feynman Learner

Uses InfoCaptor AI to apply the Feynman Technique, building a personal second brain for any topic.

Read Full Story

Ready to build your second brain from YouTube?

Install the Extension See Pricing

See It In Action

Y Combinator Summary Dashboard

Explore handpicked Y Combinator videos that are auto-transcribed, summarized, and enriched with key themes, founders, companies, and investor mentions—giving you a fast, searchable view without watching the full videos.

Y Combinator Insights
Neil Patel - SEO

Dive into bite-sized summaries of Neil Patel’s top SEO strategies. Each video is broken down into core tips, keywords, and insights so you can grasp ranking tactics and marketing techniques instantly.

Neil Patel Insights
MicroConf - Rob Walling

Get quick access to startup lessons from bootstrapped founders. The dashboard distills MicroConf sessions into actionable takeaways, themes, and founder tips for SaaS builders and indie hackers.

MicroConf Insights
Greg Isenberg

Track Greg's latest takes on AI, community building, and product-led growth. The dashboard summarizes podcast clips and interviews into key trends, startup ideas, and social growth strategies.

Greg Isenberg Insights
My First Million

Summarized insights from Shaan Puri and Sam Parr’s top episodes. Explore money-making ideas, viral business models, and behind-the-scenes commentary—all structured into digestible highlights.

My First Million Insights
MIT OpenCourseWare

Access summaries from MIT’s world-class lectures. This dashboard transforms long-form academic content into keyword-rich knowledge maps for quick reference and study support.

MIT Insights
Other Popular Channels

Explore a growing collection of user-generated dashboards. As transcripts are created and summarized, new channels and themes emerge—turning video content into living knowledge hubs.

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