Free AI Social Media Planning + Image Generation Automation - n8n

n8n Social Media Planning + Image Generator Workflow

Want to automatically create your entire social media content plan and generate visuals for each post? Here’s the perfect n8n workflow for you 👇

This workflow combines AI + Google Search + Google Sheets + Image Generation to automatically build a full monthly content plan (Carousel, Reel, Post, Story, Telegram) — complete with AI-generated visuals. You can run it for any brand within minutes — no coding required.

⚙️ What It Does

• Social Media Planner: Google Custom Search API → Collects trending content and topics from the past 1–2 months.
• AI Agent: (Google Gemini or OpenAI) → Creates a detailed monthly social media plan.
• Data Processing: n8n JSON Processing → Structures the plan into a clean data format.
• Storage: Google Sheets → Automatically logs each post idea, format, and date.
• Visuals: Second AI Agent → Writes captions and slide texts for each post.

🎨 Image Generator (Integrated)

• • Reads post data from Google Sheets.
• • Generates AI images (OpenAI, Gemini, etc.) for each planned post.
• • Uploads visuals to Google Drive.
• • Appends image links back into the same Google Sheet.

💰 Cost Estimate

• n8n: Free (self-hosted) or ~$20–30/month
• Google Search API: Free for up to 100 queries
• OpenAI (GPT-4o-mini): ~$0.01–0.03 per run
• Google Sheets & Drive: Free

Total: Just a few cents per month!