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:
| 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
Repurpose Blog/YouTube Content to Social Media with GPT-51 and Google Docs
This n8n workflow automates the process of repurposing blog posts or YouTube video content into social media posts using OpenAI's GPT model and storing the generated content in Google Docs.
What it does
This workflow streamlines your content repurposing efforts by:
- Triggering on Form Submission: Initiates when a new submission is received via an n8n form.
- Preparing Content for AI: Takes the submitted content (likely a blog post URL or YouTube video details) and formats it for processing by OpenAI.
- Generating Social Media Posts with OpenAI: Uses OpenAI's language model to create multiple social media post variations based on the provided content.
- Formatting Generated Content: Organizes the AI-generated social media posts into a structured format.
- Storing in Google Docs: Saves the formatted social media posts into a Google Docs document for review and further use.
- Conditional Logic: Includes an 'If' node, suggesting potential branching logic based on certain conditions (e.g., content type, generation success).
Prerequisites/Requirements
- n8n Instance: A running n8n instance to host and execute the workflow.
- OpenAI API Key: An OpenAI account and API key with access to GPT models.
- Google Account: A Google account with access to Google Docs for storing the generated content.
- n8n Form: An n8n form configured to trigger the workflow with relevant content input.
Setup/Usage
- Import the Workflow: Import the provided JSON into your n8n instance.
- Configure Credentials:
- OpenAI: Set up your OpenAI API key credential within n8n.
- Google Docs: Configure your Google account credential for Google Docs access.
- Configure n8n Form Trigger:
- Ensure the "On form submission" node is configured to listen for submissions from your desired n8n form.
- Verify that the form fields capture the necessary information (e.g., blog post URL, YouTube video URL/transcript).
- Customize OpenAI Node:
- Review and adjust the prompt in the "OpenAI" node to guide the GPT model in generating the desired social media post styles and formats.
- Specify the number of social media variations you want.
- Customize Google Docs Node:
- Configure the "Google Docs" node to specify the target Google Doc where the content should be saved. You might want to create a template document beforehand.
- Activate the Workflow: Once configured, activate the workflow.
- Submit Content: Submit content via your n8n form to trigger the workflow and generate social media posts.
This workflow provides a powerful starting point for automating your content repurposing strategy, saving time and ensuring consistent social media presence.
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Update Node Parameters All Google Sheets nodes: Select your finance spreadsheet Slack nodes: Select your finance channel Schedule Trigger: Adjust time if you prefer a different check-in hour (default: 11 PM) Postgres Chat Memory: Change sessionKey to something unique (e.g., financetrackeryour_name) Keep tableName as n8nchathistory_finance or rename consistently C. Slack Trigger Setup Activate the "Bot Mention trigger" node Copy the webhook URL from n8n In Slack App settings, go to Event Subscriptions Enable events and paste the webhook URL Subscribe to bot event: app_mention Save changes Test the Workflow Activate both workflow branches (scheduled and agent) In your Slack channel, mention the bot: @YourBot ₹100 cash snacks Bot should respond with a preview Reply "yes" to approve Verify Google Sheets are updated How to customize Change Transaction Categories Edit the AI Agent's system message to add/remove categories. 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By Habeeb Mohammed