Long Video Summarizer
Summarize 2-Hour+ Videos into 5-Minute Reads
Handle hours-long videos with ease. Get comprehensive summaries with auto-generated chapters from documentaries, courses, conferences, podcasts, and any long-form content. AI scales to provide appropriate detail for any length.
Key Takeaways
- Summarize videos of any length - no maximum limit
- Auto-generate chapters for easy navigation
- Turn 3-hour documentaries into 10-minute reads
- Timestamps for jumping to specific sections
- Perfect for documentaries, courses, and conferences
- Free with Google Gemini API
Why Use NoteLM for This?
Discover how AI-powered tools can transform your workflow.
Any Video Length
Handle videos from 30 minutes to 10+ hours. No limits.
Auto Chapter Breakdown
Long content becomes navigable with AI-generated topic sections.
Find Key Moments
Timestamps let you jump directly to important sections.
Hours → Minutes
3-hour documentary becomes 10-minute read with all key points.
What You Can Do
Powerful capabilities designed for your specific needs.
Smart Chapters
AI creates logical sections based on topics and transitions.
Scalable Detail
Longer videos get more comprehensive summaries with appropriate depth.
Timestamp Navigation
Every chapter links to exact video moment for verification.
Complete Coverage
Nothing important missed, even in multi-hour content.
Key Quote Extraction
Notable statements and insights preserved with context.
Multi-Part Handling
Works with lecture series and multi-part documentaries.
Get Started in 3 Steps
Simple process to start using AI for your needs.
Open Long Video
Navigate to your documentary, course, or long-form content on YouTube.
Generate Summary
NoteLM processes the entire video, creating chapters and key points.
Navigate & Learn
Use chapter breakdown to understand content and jump to interesting sections.
"I summarized a 4-hour history documentary in 2 minutes. The chapter breakdown let me jump to exactly the parts I needed for my research."
Frequently Asked Questions
Common questions about long video summarizer
What's the maximum video length supported?
No maximum! Works with videos of any length as long as they have captions. We've tested with 10+ hour videos successfully.
Does summary quality decrease with longer videos?
No - AI scales appropriately. Longer videos get proportionally more detailed summaries with more chapters to maintain quality.
How long does it take to process long videos?
Processing time is similar regardless of length - typically 30-60 seconds. The AI analyzes the transcript, not the video itself.
Does it work for multi-part documentaries?
Yes! Summarize each part and compile for complete coverage. Great for documentary series and lecture collections.
Can I use this for conference recordings?
Perfect for conference keynotes and talks! Extract key insights and findings without watching hours of presentations.
Does it handle multiple speakers?
AI identifies topic transitions and key statements regardless of speaker. Panel discussions and interviews work well.
How does it handle technical or educational content?
Excellent for technical content! AI recognizes specialized terminology and preserves important details, definitions, and explanations.
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Written By
The NoteLM team specializes in AI-powered video summarization and learning tools. We are passionate about making video content more accessible and efficient for learners worldwide.
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