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.

Video Summary

1-Hour Video, Read in 2 Minutes — AI Extracts Every Key Point

  • Check markAI generates summaries, key highlights, and core keywords — grasp the essence without watching the full video
  • Check markEach key point has a precise timestamp, click to jump and quickly verify or dive deeper
  • Check markSmart keyword extraction, hover to extend search on Google or YouTube
  • Check markOne-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

  • Check markAI automatically builds a clear knowledge graph, complex content becomes clear structure instantly
  • Check markClick any node to jump to the corresponding video segment for more efficient learning
  • Check markThree detail levels: concise/standard/detailed, generate the map that suits you best
  • Check markOne-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

  • Check markAI analyzes sentiment, trending topics, and business opportunities from thousands of comments in seconds
  • Check markAutomatically identifies questions, suggestions, feedback, and business inquiries — high-value comments shown first
  • Check markSentiment distribution visualization from enthusiastic to negative, helping creators fine-tune content strategy
  • Check markTopic 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

  • Check markJust describe what you want to learn, AI auto-generates search strategy and precisely filters from millions of videos
  • Check markEach recommended video shows AI match score and reason, making choices effortless
  • Check markTop 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

  • Check markAsk questions directly to videos, AI gives precise answers based on video content without frame-by-frame watching
  • Check markChat with multiple videos simultaneously, compare viewpoints and information across videos for doubled research efficiency
  • Check markA few minutes of questions to master the core content of a 1-hour video
  • Check markSupports 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

  • Check markOriginal and translation displayed in sync, real-time search highlights keywords, click any subtitle to jump
  • Check markSelect any segment for loop playback, auto-repeat key content, perfect for language learning
  • Check markExport 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.

Emma Wilson
Product Manager

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.

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