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

Description

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:

| Output | What You Get |
|--------|-------------|
| LinkedIn Posts | 3 variations (story-driven, list format, contrarian angle) |
| Twitter/X Thread | 7-tweet thread + alternative hook for A/B testing |
| Email Newsletter | 3 subject lines + preview text + full body |
| Key Takeaways | 5 actionable bullet points |
| Quote Cards | 5 shareable quotes ready for graphics |
| Video Script | 60-second script (hook → problem → solution → CTA) |

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

Import the workflow into your n8n instance
Configure credentials (OpenAI required, Google Docs required, YouTube optional)
Activate the workflow
Open the form URL (shown in Form Trigger node)
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
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

| Service | Cost |
|---------|------|
| OpenAI (GPT-5.1) | ~$0.01-0.03 per generation |
| YouTube API | Free (10,000 queries/day) |
| Google Docs API | Free |

Total per use: ~$0.02-0.04

Tips for Best Results

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

Support

Questions or need customization? Contact Agentical AI