Repurpose Blog & YouTube Content to Social Media with GPT-5.1 and Google Docs

Transform blog posts, YouTube videos, or any text into LinkedIn posts, Twitter threads, email newsletters, and more with GPT-5.1

Who is this for?

• Content creators who want to maximize reach from every piece of content
• Marketing teams repurposing long-form content for social media
• Founders & executives sharing thought leadership across platforms
• Agencies creating multi-platform content packages for clients
• Solopreneurs who need to be everywhere but have limited time

What problem does it solve?

Creating platform-specific content is time-consuming. A single blog post could become LinkedIn posts, Twitter threads, email newsletters, and video scripts-but manually adapting content for each platform takes hours.

This workflow automates the entire process. Drop in a URL or paste your content, and get 7+ ready-to-use content pieces in under 2 minutes.

What this workflow does

Step 1: Content Input

• Submit via simple web form
• Accepts blog URLs, YouTube URLs, or raw text
• Optional: specify target audience and custom instructions

Step 2: Smart Extraction

• Blog posts: Fetches and extracts article content, removes navigation/ads
• YouTube videos: Gets video metadata and description via YouTube API
• Raw text: Processes directly with automatic title detection

Step 3: AI Content Generation
GPT-4.1/5.1 analyzes your content and generates platform-optimized variations:

Step 4: Google Docs Output

• Everything saved to a beautifully formatted Google Doc
• Organized by platform
• Copy, customize, and publish!

Outputs Generated

LinkedIn Posts (3 variations):

• Story-driven emotional hook
• List/tips format for engagement
• Contrarian/hot take angle
• Each includes: hook, body, CTA, hashtags

Twitter/X Thread (7 tweets):

• Scroll-stopping hook
• Logical flow through your key points
• Clear CTA at the end
• Alternative hook for A/B testing

Email Newsletter:

• 3 subject line options (curiosity, benefit, direct)
• Preview text
• Conversational body copy
• Clear CTA

Key Takeaways:

• 5 actionable insights
• Perfect for bullet points, carousels, or summaries

Quote Cards:

• 5 impactful, shareable quotes
• Context included for each
• Ready for Canva/social graphics

Video Script:

• 60-second format
• Hook → Problem → Solution → Proof → CTA structure
• Visual suggestions included

Setup Instructions

Required Credentials

1. OpenAI API

• Get your API key from platform.openai.com
• Add as "OpenAI API" credential in n8n
• Used for: Content generation (GPT-4o)

2. Google Docs

• Create OAuth2 credentials in Google Cloud Console
• Enable Google Docs API
• Add as "Google Docs OAuth2" credential in n8n
• Used for: Saving generated content

Optional Credentials

3. YouTube OAuth2 (use same clientId and secret as above)

• Enable YouTube Data API v3
• Add a new "YouTube OAuth2 API" credential:
  • Client ID and Secret, same as above
• Used for: Better video metadata extraction

How to Use

1. Import the workflow into your n8n instance
2. Configure credentials (OpenAI required, Google Docs required, YouTube optional)
3. Activate the workflow
4. Open the form URL (shown in Form Trigger node)
5. Submit your content:
   • Select content type (Blog URL, YouTube URL, or Raw Text)
   • Paste URL or content
   • (Optional) Add target audience
   • (Optional) Add custom instructions
6. Get your Google Doc link with all generated content!

Customization Options

Modify the AI prompt:

• Edit "AI Content Generator" node
• Adjust tone guidelines
• Add industry-specific instructions
• Change output formats

Change output destination:

• Replace Google Docs with Notion, Airtable, or other platforms
• Add Slack notification with summary
• Email the doc link

Add more platforms:

• Instagram captions
• Pinterest descriptions
• Podcast show notes

Example Use Case

Input:

• Blog post URL: https://example.com/10-tips-for-startup-founders
• Target audience: "First-time startup founders"
• Instructions: "Focus on practical, actionable advice"

Output (in ~90 seconds):

• 3 LinkedIn posts with founder-focused hooks
• 7-tweet thread breaking down the top tips
• Email newsletter to subscribers
• 5 quotable insights for graphics
• 60-second video script for TikTok/Reels

Estimated Costs

Total per use: ~$0.02-0.04

Tips for Best Results

1. Longer content = better output - Articles with 1000+ words generate richer variations
2. YouTube videos need captions - Videos without captions may have limited output
3. Specify your audience - Adding target audience improves relevance significantly
4. Use custom instructions - Guide the AI toward your preferred tone and focus

Support

Questions or need customization? Contact Agentical AI