Auto-Generate Instagram, Facebook & LinkedIn Posts from YouTube Videos with GPT-4o & Dumpling AI

Who’s it for

This template is perfect for content marketers, social media managers, and creators who want to repurpose YouTube videos into platform-specific posts without manual work. If you spend hours brainstorming captions, resizing content, or creating images for different platforms, this workflow automates the entire process from video selection to ready-to-publish posts.

What it does

The workflow takes a topic from a Google Sheet, finds the most relevant and recent YouTube video using Dumpling AI and GPT-4o, then automatically generates unique posts for Instagram, Facebook, and LinkedIn. Each post comes with a tailored AI-generated image, and all content is saved back into a Google Sheet for easy scheduling and review.

Here’s what happens step by step: Picks an unsearched topic from Google Sheets
Searches YouTube via Dumpling AI and sorts videos
Uses GPT-4o to select the most relevant video
Extracts the video transcript using Dumpling AI
Generates three platform-specific posts using GPT-4o
Creates matching images for each post using Dumpling AI image generation
Saves the final Instagram, Facebook, and LinkedIn posts into a Google Sheet
Marks the topic as processed so it won’t repeat

How it works

Scheduled Trigger: Starts the workflow automatically on a set schedule
Google Sheets: Retrieves one unprocessed topic from the YouTube Topics sheet
Dumpling AI: Finds and filters YouTube videos matching the topic
GPT-4o: Chooses the best video and turns the transcript into three unique posts
Dumpling AI (Image): Generates platform-specific visuals for each post
Google Sheets: Saves all posts and images to the Social Media Post sheet for publishing

Requirements

✅ Dumpling AI API key stored as credentials
✅ OpenAI GPT-4 credentials
✅ Google Sheets connection with the following sheets:
YouTube Topics with columns Youtube Topics and Searched?
Social Media Post with columns platform, Content, Image

How to customize

Adjust the GPT prompt to match your brand voice or content style
Add or remove platforms depending on your posting strategy
Change the schedule trigger frequency to fit your content calendar
Integrate with scheduling tools like Buffer or Hootsuite for auto-publishing
Add review or approval steps before posts are finalized

> This workflow helps you transform a single YouTube video into three polished, platform-ready posts with matching visuals, in minutes—not hours.