Free AI Social Media Automation + Image Generation ( n8n )

n8n Social Media Planning + Image Generator Workflow (Free Template)

📅 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.

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⚙️ 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.

• n8n JSON Processing → Structures the plan into a clean data format.

• Google Sheets → Automatically logs each post idea, format, and date.

• Second AI Agent → Writes captions and slide texts for each post.

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🎨 Image Generator (Integrated)

• Reads post data from Google Sheets.

• Generates AI images (using OpenAI, Gemini, or other image models) for each planned post.

• Uploads visuals to Google Drive.

• Appends image links back into the same Google Sheet.

Result?
👉 With one click, you get a complete 15-post monthly plan — including AI-generated visuals, captions, and formats for all major platforms (Carousel, Reel, Story, Post, Telegram).

(Formats, post count, language, and sector can be customized easily.)

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🧠 Tools Used

• 🧠 OpenAI (GPT-4.1 mini) or Google Gemini

• 🔗 Google Custom Search API

• 📊 Google Sheets

• ☁️ Google Drive

• ⚙️ n8n.io (self-hosted or cloud version)

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💸 Cost Estimate

• n8n: Free (self-hosted) or ~$20–30/month

• Google Search API: Free for up to 100 queries – 2 USD monthly for basic needs

• OpenAI (GPT-4.1-mini): ~$0.01–0.03 per run – 1 USD monthly for basic needs

• Google Sheets & Drive: Free

💰 Total:
Just a few cents per month if offline and very basic needs⚡
Just a 40-100 usd yearly if online and basic-mid needs⚡
Just a 100-300 usd yearly if online and more needs⚡

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📥 Access the Workflow

You can view the full workflow diagram below 👇

All keys, brand-specific values, and private information have been removed — simply add your own API credentials to start.

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🧩 Notes

• Prompts are generic and suitable for any brand or industry.

• Each carousel’s first slide includes a “hook” for better engagement.

• Remaining slides are structured for data, insights, and CTAs.