Summarize youtube videos from transcript for social media

🎥 YouTube Video Summarizer for Social Media

Turn any YouTube video into a short, structured summary using AI — perfect for content creators, marketers, or social media managers.

🔧 What We Built

We created a no-code automation in n8n that:

Accepts a YouTube Video ID via a form Fetches the video transcript using an external API Summarizes the transcript using AI (Google Gemini) Automatically saves the summary to Google Docs for team use

🧩 Flow Overview

| Step | Description | |------|-------------| | ✅ Form Trigger | User submits a YouTube video ID using an n8n form | | 🔁 Set Node | Maps the YouTube video ID for use in the API request | | 🌐 HTTP Request (External API) | Calls the YouTube Transcriptor AI API via RapidAPI to fetch transcript | | 🧹 Formatter (Code Node) | Joins transcript lines into a readable text block | | 🧠 AI Agent + Google Gemini (via Langchain) | Summarizes the full transcript into bullet points and tone | | 🧽 Optimizer (Code Node) | Extracts just the summary from the AI response | | 📝 Google Docs Node | Appends the clean summary to a shared Google Doc |

🌍 Real-World Problem Solved

❌ The Challenge

Creators and marketers waste hours watching full videos just to extract the key points. Manual summarization is inconsistent, repetitive, and delays content planning.

✅ Our Solution

⏱️ Reduces time spent watching videos 🧠 AI-powered summaries keep tone consistent and structured 📄 Auto-sync with Google Docs makes summaries instantly available for teams

🔥 Bonus: This uses the YouTube Transcriptor AI API, so no need to manually scrape captions or use browser extensions.

🚀 Ideal Use Cases

Repurpose YouTube content into Instagram Reels, LinkedIn posts, or blog content Build a video summary library for your editorial team Quickly extract talking points from podcast episodes

🛠️ Tech Stack

n8n** – workflow automation engine
YouTube Transcriptor AI API** – via RapidAPI
Google Gemini (via Langchain)** – AI summarization
Google Docs** – stores the final summary
JavaScript nodes** – custom text parsing & formatting

💡 Want to customize it? Add Slack, Airtable, Notion, or Tweet auto-posting to expand the flow.

Create your free n8n account and set up the workflow in just a few minutes using the link below:

👉 Start Automating with n8n

Save time, stay consistent, and grow your LinkedIn presence effortlessly!