# Wave Tube > Free AI-powered YouTube video summarizer by Wave AI Wave Tube is a free tool that generates AI summaries of YouTube videos. Users paste a YouTube URL, and the tool fetches the transcript and generates a comprehensive summary using AI. ## URL Structure - Homepage: https://tube.wave.co/ - Video pages: https://tube.wave.co/{video-title-slug}-{youtube-id} - Example: https://tube.wave.co/how-ai-transforms-healthcare-LuOZ2PKvd4s ## What Wave Tube Does 1. Accepts any YouTube video URL or ID 2. Fetches the video transcript automatically 3. Generates an AI-powered summary in real-time 4. Stores summaries for instant access on return visits ## Features - 100% free, no signup required - Real-time streaming summary generation - Full transcript display with timestamps - Video metadata (views, duration, publish date, tags) - SEO-friendly URLs with video sitemap ## Built By Wave AI (https://wave.co) - AI-powered meeting notes and transcription. ## Technical Details - Framework: Next.js 15 (App Router) - Hosted on: Vercel - AI Model: OpenAI GPT for summary generation - Data: YouTube transcripts via SearchAPI.io ## API Wave Tube does not offer a public API. For programmatic access to AI transcription and summaries, see the Wave AI Developer API at https://wave.co.