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Transform YouTube transcripts to content assets with AI and Google Sheets

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Important notice

This workflow is provided as-is. Please review and test before using in production.

1. Workflow Overview

Transform YouTube Transcripts to Content Assets with AI, Youtube transcript.io and Google Sheets For content creators, marketers, and video strategists who want to transform YouTube competitors' vi...

Best for

  • Content Creation automation workflows
  • Multimodal AI automation workflows
  • advanced n8n builders looking for reusable templates

Tools used

n8n-nodes-base.stickynote, n8n-nodes-base.code, n8n-nodes-base.httprequest, n8n-nodes-base.googlesheets, n8n-nodes-base.googlesheetstrigger, @n8n/n8n-nodes-langchain.lmchatopenrouter, n8n-nodes-base.respondtowebhook, n8n-nodes-base.webhook

Source and attribution

This workflow is cataloged by N8N Workflows and links back to its original n8n.io source page by Gerald Denor.

Original n8n.io source

1.1 Workflow description

Title
Transform YouTube transcripts to content assets with AI and Google Sheets
Workflow name
Transform YouTube transcripts to content assets with AI and Google Sheets

Transform YouTube Transcripts to Content Assets with AI, Youtube-transcript.io and Google Sheets

For content creators, marketers, and video strategists who want to transform YouTube competitors' video transcripts into production-ready content assets using AI-powered automation.

Overview

This template demonstrates two approaches to YouTube transcript extraction and AI content generation: automated Google Sheets monitoring for batch processing, and direct webhook API calls for on-demand extraction. The workflow includes intelligent parsing, metadata extraction, and AI-powered content transformation.

Key Features

Dual Workflow Architecture

  • Google Sheets integration for automated monitoring and batch processing
  • Webhook endpoint for real-time API access and instant responses
  • Both paths share core extraction logic while serving different use cases

Smart YouTube Parsing

  • Extracts video IDs from multiple URL formats (youtube.com, youtu.be, embed)
  • Regex-based parsing handles edge cases reliably
  • Graceful error handling for invalid URLs

Rich Metadata Extraction

  • Video title, channel name, and publish date
  • Duration and category information
  • Transcript text with full timestamp data
  • Fallback handling for videos without transcripts

AI Content Generation

  • Transforms raw transcripts into structured content assets
  • Generates Veo3-optimized scripts (8-second scene format)
  • Creates SEO-optimized titles, thumbnail concepts, tags, descriptions
  • Includes virality optimization suggestions (hooks, CTAs)
  • Uses OpenRouter for flexible LLM selection

Structured Output Parsing

  • Custom code nodes parse AI responses into consistent formats
  • Organized by content type (Script, Titles, Thumbnails, Tags, etc.)
  • Ready for direct insertion into Google Sheets or API responses

Technical Implementation

Nodes Used

  • Google Sheets (Trigger & Operations)
  • Webhook (Trigger & Response)
  • HTTP Request (YouTube Transcript API)
  • Code (JavaScript for parsing)
  • LangChain LLM Chain (Content generation)
  • OpenRouter Chat Model

External Dependencies

  • YouTube Transcript API (youtube-transcript.io or similar)
  • Google Sheets API credentials
  • OpenRouter API access

Use Cases

  • Content Repurposing: Transform successful videos into new content formats
  • Competitive Analysis: Batch analyze competitor video strategies
  • Research & Documentation: Build searchable transcript databases
  • Accessibility: Generate captions and text alternatives
  • SEO Analysis: Extract and analyze video content at scale
  • Content Strategy: Develop data-driven video concepts

Setup Requirements

  • YouTube Transcript API credentials
  • Google Sheets with specified column structure (for automated workflow)
  • OpenRouter API key for AI content generation
  • n8n instance (cloud or self-hosted)

Customization Options

The workflow is designed for easy extension:

  • Swap AI providers by changing the LangChain model node
  • Modify prompt engineering in the Chain LLM nodes
  • Add additional parsing logic in Code nodes
  • Connect to databases, CMS, or other storage solutions
  • Integrate text analysis, summarization, or translation steps
  • Add notification systems for workflow completion

Need Help?

1.2 Logical Blocks

This catalog entry is organized from the workflow JSON. The node-level section below shows the executable blocks available for review before importing the template.

2. Block-by-Block Analysis

Block 1 - Main Template Explanation

Type / Role
n8n-nodes-base.stickyNote - stickyNote
Config choices
Version 1

Block 2 - Sheets Workflow Note

Type / Role
n8n-nodes-base.stickyNote - stickyNote
Config choices
Version 1

Block 3 - Webhook Workflow Note

Type / Role
n8n-nodes-base.stickyNote - stickyNote
Config choices
Version 1

Block 4 - Extract YouTube Video ID (Sheets)

Type / Role
n8n-nodes-base.code - code
Config choices
Version 2

Block 5 - Fetch Video Transcript Data (Sheets)

Type / Role
n8n-nodes-base.httpRequest - httpRequest
Config choices
Version 4.2

Block 6 - Parse Transcript Text (Sheets)

Type / Role
n8n-nodes-base.code - code
Config choices
Version 2

Block 7 - Save Transcript to Sheet

Type / Role
n8n-nodes-base.googleSheets - googleSheets
Config choices
Version 4.6

Block 8 - Monitor Google Sheet for URLs

Type / Role
n8n-nodes-base.googleSheetsTrigger - googleSheetsTrigger
Config choices
Version 1

Block 9 - OpenRouter Chat Model

Type / Role
@n8n/n8n-nodes-langchain.lmChatOpenRouter - lmChatOpenRouter
Config choices
Version 1

Block 10 - Return Transcript Response

Type / Role
n8n-nodes-base.respondToWebhook - respondToWebhook
Config choices
Version 1.4

Block 11 - Webhook Trigger (Direct Input)

Type / Role
n8n-nodes-base.webhook - webhook
Config choices
Version 2.1

Block 12 - Save New Script to Sheet

Type / Role
n8n-nodes-base.googleSheets - googleSheets
Config choices
Version 4.6

Block 13 - OpenRouter Chat Model1

Type / Role
@n8n/n8n-nodes-langchain.lmChatOpenRouter - lmChatOpenRouter
Config choices
Version 1

Block 14 - Rewrite The Transcript (webhook)

Type / Role
@n8n/n8n-nodes-langchain.chainLlm - chainLlm
Config choices
Version 1.7

Block 15 - Rewrite The Transcript (sheets)

Type / Role
@n8n/n8n-nodes-langchain.chainLlm - chainLlm
Config choices
Version 1.7

Block 16 - Extract YouTube Video ID (Sheets)2

Type / Role
n8n-nodes-base.code - code
Config choices
Version 2

Block 17 - Fetch Video Transcript Data (Webhook)

Type / Role
n8n-nodes-base.httpRequest - httpRequest
Config choices
Version 4.2

Block 18 - Parse Transcript Text (Webhook)

Type / Role
n8n-nodes-base.code - code
Config choices
Version 2

Block 19 - Parse AI Output Into Headings(sheets)

Type / Role
n8n-nodes-base.code - code
Config choices
Version 2

Block 20 - Parse AI Output Into Headings (webhook)

Type / Role
n8n-nodes-base.code - code
Config choices
Version 2

Block 21 - Save New Script to Sheet(webhook)

Type / Role
n8n-nodes-base.googleSheets - googleSheets
Config choices
Version 4.6

Block 22 - Save Transcript to Sheet(webhook)

Type / Role
n8n-nodes-base.googleSheets - googleSheets
Config choices
Version 4.6

Block 23 - Sticky Note1

Type / Role
n8n-nodes-base.stickyNote - stickyNote
Config choices
Version 1

3. Summary Table

Workflow Transform YouTube transcripts to content assets with AI and Google Sheets
Complexity advanced
Nodes 23
Categories Content Creation, Multimodal AI
Author Gerald Denor
Published 03 Oct 2025

4. Reproducing the Workflow from Scratch

  1. 1. Download the workflow JSON

    Use the JSON export at /data/workflows/9213/9213.json as the source template for this automation.

  2. 2. Import the template into n8n

    Open n8n, import the downloaded JSON, and review each node before activating the workflow.

  3. 3. Configure credentials and variables

    Replace placeholder credentials, API keys, webhook URLs, account IDs, and environment-specific values with your own settings.

  4. 4. Test with sample data

    Run the workflow manually or in a staging workspace, inspect node output, and confirm downstream systems receive the expected data.

  5. 5. Activate and monitor

    Enable the workflow only after testing, then monitor executions, errors, and rate limits during the first production runs.

5. General Notes & Resources

Review imported nodes carefully before activation. This catalog entry is intended to help you inspect the workflow structure, understand required services, and find related templates faster.

Node names, credentials, schedules, webhook paths, and external service limits may need adjustment for your workspace.

Frequently asked questions

What does Transform YouTube transcripts to content assets with AI and Google Sheets do?

Transform YouTube Transcripts to Content Assets with AI, Youtube transcript.io and Google Sheets For content creators, marketers, and video strategists who want to transform YouTube competitors' vi...

What do I need before importing this workflow?

Review the workflow JSON, configure any required credentials in n8n, and test the automation in a safe workspace before using it in production.

Can I customize this workflow?

Yes. Use the block-by-block analysis and the downloadable JSON to inspect each node, then adjust credentials, prompts, schedules, filters, or destinations for your Content Creation, Multimodal AI use case.