Automate Image Editing & IG Posting with Nano Banana + GPT-5

Auto-Edit Google Drive Images with Nano Banana + Social Auto-Post

Most businesses spend hours cleaning up photos and manually posting them to social media.
This workflow does it all automatically: image enhancement, caption creation, and posting — directly from a simple Google Drive upload.

Benefits

• Clean & enhance images instantly with Nano Banana
• Auto-generate catchy captions with GPT-5
• Post directly to Instagram (or other social channels)
• Track everything in Google Sheets
• Save hours per week on repetitive content tasks

How It Works

1. Upload image to Google Drive
2. Workflow sends image to Nano Banana (via Wavespeed API)
3. Waits for enhanced version and logs URL in Google Sheets
4. Uploads result to Postiz media library
5. GPT-5 writes an engaging caption
6. Publishes post instantly or schedules for later

Who Is This For

• Real estate agents posting property photos
• E-commerce sellers updating product images
• Social media managers handling multiple accounts

Setup

• Connect Google Drive (select upload folder)
• Add Wavespeed API key for Nano Banana
• Connect Google Sheets for logging
• Add Postiz API credentials & integration ID
• Enter OpenAI API key for GPT-5 captioning

ROI & Monetization

• Save 5–10 hours per week of manual editing and posting
• Offer as a $1k–$3k/month content automation service for clients
• Scale to multi-platform posting (TikTok, LinkedIn) for premium retainers

Strategy Insights

In the full walkthrough, I show how to:

• Build this workflow step by step
• Pitch it as a “Done-For-You Social Posting System”
• Automate outreach to agencies and creators who need it
• Turn this into recurring revenue with retainers

Check Out My Channel

For more advanced AI automation systems that generate real business results, check out my YouTube channel where I share the exact strategies I use to build automation agencies, sell high-value services, and scale to $20k+ monthly revenue.