TubeLensTubeLens
YouTube AI Assistant
Read a 1-hour video in 2 minutes, get instant insights from thousands of comments, AI recommends the best videos for you, ask questions directly to videos, switch bilingual subtitles anytime — one extension that makes YouTube truly work for you.
Try for Free NowVideo Summary
1-Hour Video, Read in 2 Minutes — AI Extracts Every Key Point
AI generates summaries, key highlights, and core keywords — grasp the essence without watching the full video- Each key point has a precise timestamp, click to jump and quickly verify or dive deeper
- Smart keyword extraction, hover to extend search on Google or YouTube
- One-click share to social media, let great content reach more people
Precise timestamp navigation, jump directly to the segments you need most
Mind Map
One Click to Turn Videos into Structured Mind Maps — Knowledge at a Glance
- AI automatically builds a clear knowledge graph, complex content becomes clear structure instantly
- Click any node to jump to the corresponding video segment for more efficient learning
- Three detail levels: concise/standard/detailed, generate the map that suits you best
- One-click export as XMind file or image, knowledge available anytime anywhere
Switch freely between tree outline and visual map for different learning scenarios
Comment Analysis
Thousands of Comments, AI Reads in Seconds — See What Viewers Really Think
- AI analyzes sentiment, trending topics, and business opportunities from thousands of comments in seconds
- Automatically identifies questions, suggestions, feedback, and business inquiries — high-value comments shown first
- Sentiment distribution visualization from enthusiastic to negative, helping creators fine-tune content strategy
- Topic clustering with rising/falling trend labels, discover what audiences truly care about
Sentiment analysis visualization, automatic business signal detection, high-value comments prioritized
Video Search
Thousands of Videos, AI Finds the Best One for You
- Just describe what you want to learn, AI auto-generates search strategy and precisely filters from millions of videos
- Each recommended video shows AI match score and reason, making choices effortless
- Top 3 precise recommendations + more results list, finding the right content has never been easier
Describe your needs in natural language, three-step smart matching, say goodbye to ineffective searches
AI Video Chat
No Need to Watch the Full Video, Just Ask AI — Supports Chatting with Multiple Videos at Once
- Ask questions directly to videos, AI gives precise answers based on video content without frame-by-frame watching
- Chat with multiple videos simultaneously, compare viewpoints and information across videos for doubled research efficiency
- A few minutes of questions to master the core content of a 1-hour video
- Supports follow-up questions and deep exploration, understand complex topics like talking to an expert
Ask questions across videos, compare viewpoints, master key points in minutes
Bilingual Subtitles
Original and Translation Side by Side — Foreign Language Videos Are No Longer a Learning Barrier
- Original and translation displayed in sync, real-time search highlights keywords, click any subtitle to jump
- Select any segment for loop playback, auto-repeat key content, perfect for language learning
- Export SRT subtitles in original, translation, or bilingual format, ready for video editing
Loop playback, SRT export, full language learning coverage
Trusted Worldwide
The #1 AI tool for YouTube learners
Committed to helping users efficiently acquire YouTube knowledge and save valuable time.
99.99% Uptime
Exceptional stability with fast email support and service.
100K+ Users
Trusted by YouTube learners worldwide.
All Videos Supported
Full support regardless of video length or language.
“YouTube is full of valuable content, but time is limited. TubeLens uses AI to condense a 1-hour tutorial into a 2-minute digest, transform thousands of comments into clear insights, and precisely find the best video for you from millions.”
Make YouTube Truly Work for You
Whether you're a student, creator, or marketer, TubeLens helps you extract maximum value from YouTube. No credit card required, start now.
Get Started Free