Your Second Brain,
Finally Done Right
Drop YouTube videos, TikToks, Reels, PDFs, articles, podcasts—anything. It's instantly organized, searchable, and AI-chattable.
Everything interconnected. Ask questions across your entire knowledge base. See connections you never knew existed. Stop searching. Start knowing.
Add Anything to Your Brain
Paste a TikTok, Reel, YouTube video, or any link. It's instantly understood, searchable, and connected to everything else.
Second Brain doesn't just read captions—it watches the video, listens to the audio, and reads on-screen text.
GPT | Gemini | Grok |  | |
|---|---|---|---|---|
Reels | ||||
TikToks | ||||
Shorts | ||||
X Threads | ||||
LinkedIn | ||||
YT Long |
Beyond Transcripts—True Visual Understanding
Second Brain doesn't just read captions. It watches the video, analyzes every frame, reads on-screen text, and understands the full context—just like you would.
Save & Understand
Drop a link. Get instant summary, key points, and full searchability.
Ask Questions
“What was the main argument?” “What sources did they mention?”
Connect Everything
Automatically linked to related content in your knowledge base.
Everything you save becomes part of your knowledge. Searchable forever.
Start Your Second BrainThe Complete Second Brain
Not another note-taking app. A true AI-powered knowledge system that actually understands everything you save.
Drop Anything
YouTube videos, TikToks, Reels, PDFs, podcasts, articles, code repos—just paste a link or upload. Done.
Chat with Everything
Ask questions about one item or your entire knowledge base at once. Get answers from across all your saved content.
Auto-Organized
No folders to create, no tags to assign manually. Everything is automatically categorized and connected.
Visual AI Boards
Work spatially, not in linear chat threads. See multiple sources, chats, and notes on an infinite canvas.
Semantic Search
Search by meaning, not just keywords. Find that idea you half-remember with natural language.
Auto Mind Map
See how your knowledge connects. Auto-generated visualizations reveal patterns you never knew existed.
Save to Pages
Turn AI conversations into permanent Notion-like documents. Build your knowledge over time.
Projects & Smart Tags
Organize manually when you want to. Create projects and custom tags for fine-grained control.
Drop Any Format
The only AI that can read TikToks, Reels, and YouTube videos—not just documents.
Check out a short demo of the
Second Brain App ✨
A completely new way of interaction with AI. Work in visual, not in linear mode.
Your Knowledge, Laid Out
Not Buried in Threads
AI chat shouldn't be a single linear thread. The Visual Board lets you see sources, chats, and notes side by side—like having a desk full of papers, but smarter.
Infinite Canvas
See your entire knowledge laid out spatially. No scrolling through endless chat history.
Everything Visible
Multiple sources, chats, and notes—all on screen at once. Context without tab-switching.
Multi-Source Chat
Select any combination of items and chat with them together. Ask questions across sources.
Your brain works spatially. Your second brain should too.
Relationships between ideas become obvious when visualized.
Everything stays visible. No more "where did I see that?"
Chat with Your Entire Brain
- One prompt searches across all your sources—PDFs, videos, articles, notes.
- Save any AI response to Pages with one click—building your knowledge over time.
Auto-Organized, Zero Effort
- Smart Tags are generated automatically based on content.
- Filter instantly by topic, project, or source type.
Semantic Search: Find Anything
- "That video about productivity systems" → Found.
- "The article that mentioned compound interest" → Found.
Pages: Your Permanent Knowledge
- Add headings, lists, images, code blocks—everything you need.
- Every page is searchable and AI-chattable.
See How Everything Connects
- Visual overview of your entire knowledge base.
- Click any node to dive deeper or start a chat.
Save From Anywhere
- Content goes straight to your Second Brain, auto-organized and searchable.
- Never lose an insight while browsing again.
Your Brain, Supercharged
Everyone uses their second brain differently. Here's what becomes possible.
Research & Learning
Drop a course, book summary, or 10 YouTube tutorials. Ask questions across all of them at once.
"What do all these sources say about building habits?"
Idea Capture
Save that interesting tweet, article, or video. It's instantly organized and connected to related content.
Never lose inspiration again. Everything's searchable.
Finding What You Saved
"That video about productivity systems from last month" — semantic search finds it instantly.
Search by meaning, not exact keywords.
Project Knowledge
Keep all research, notes, and references for a project in one place. Chat with the entire context.
"Summarize everything we know about competitor X"
Content Repurposing
Drop a viral TikTok. Get a breakdown of why it works. Generate 10 similar ideas for your niche.
Turn any content into insights you can act on.
Building Memory
Save AI responses, add your thoughts, connect ideas. Your knowledge compounds over time.
A living library that grows smarter with you.
You've Tried Other Tools.
They Didn't Work.
Notion requires endless manual organization. Obsidian needs you to be a power user. NotebookLM can't read half your content. None of them understand how you actually consume information today.
Notion
Great for docs- AI can't read videos or social media
- Manual organization required
- No visual/spatial interface
Obsidian
Powerful but complex- Steep learning curve
- Manual linking between notes
- No AI that understands content
NotebookLM
AI but limited- Can't read TikToks, Reels, or social
- No visual boards
- Limited source types
Second Brain
Built from scratch for how people actually save and use knowledge in 2025.
Your Knowledge Stays Yours
Your data is never used for AI training, never sold, and never stored on third-party AI providers.
Simple pricing.
Pick your plan.
Basic gives you the core second brain. Pro unlocks visual boards, auto-organization, and premium AI.
Basic
Save & Chat
Save $36/year
Not included
Pro
The Complete Second Brain
Save $108/year
Ultimate
For Power Users & Teams
Save $288/year
Everything You Need to Know
What makes Second Brain different from other second brain tools?
How is this different from ChatGPT or other AI assistants?
How does Second Brain compare to Notion, Obsidian, and NotebookLM?
Obsidian: Powerful but complex. Steep learning curve, manual linking, no native AI.
NotebookLM: Has AI, but can't read TikToks, Reels, or most social content. No visual interface.
Second Brain: Reads everything (videos, social, docs), auto-organizes, has visual boards, and lets you chat with your entire knowledge base.
What content types can I add?
• Videos: YouTube (shorts and long-form), TikTok, Instagram Reels
• Social: LinkedIn posts and carousels, X/Twitter threads
• Documents: PDFs, Google Docs/Sheets/Slides, Word files
• Web: Articles, blog posts, any webpage
• Audio: Podcasts, voice memos, audio files
• Code: GitHub repositories, code snippets
• Images: Screenshots, diagrams, photos
Just paste a link or upload—we handle the rest.
How does the auto-organization work?
• Extracts key topics and themes
• Generates smart tags
• Connects it to related content in your library
• Makes it instantly searchable by meaning (not just keywords)
You can also manually organize with Projects and custom tags if you want more control.
What is semantic search?
What are Visual Boards?
What are Pages?
• Save AI chat responses with one click
• Add your own notes and thoughts
• Insert headings, lists, images, code blocks
• Build up knowledge over time
Every Page is searchable and can be included in AI chats.
Is my data private and secure?
How do credits work?
What's the Chrome Extension for?
Stop Searching.
Start Knowing.
Everything you save. Instantly organized. Always findable. This is the second brain you've been looking for.
Start Your Second Brain