Transform long videos into viral shorts with AI and schedule to social media using Whisper & Gemini

by Juan Carlos Cavero Gracia ✓ · 21,759 views · created 2025-10-18 · Content Creation, Multimodal AI

What this workflow does

This AI workflow has 19 nodes and runs when someone submits an n8n form (“🎬 Video to Viral Shorts”). Along the way it connects Google Gemini Chat Model and Upload Post (community). It also calls api.upload-post.com and api.openai.com over HTTP.

How it runs

Trigger: When someone submits an n8n form (“🎬 Video to Viral Shorts”).

1. FFmpeg: Extract Audio (HTTP Request): calls api.upload-post.com (POST)
2. Wait: waits 10 seconds
3. Check Audio Job Status (HTTP Request): calls an HTTP API
4. Is Audio Job Completed? (If): checks a condition and branches into true / false
5. Download Audio (HTTP Request): calls an HTTP API
6. Wait: pauses before continuing
7. Whisper: Transcribe with Timestamps (HTTP Request): calls api.openai.com (POST)
8. Parse Whisper Results (Code): runs custom JavaScript code
9. AI Agent: runs an AI agent, with model: Google Gemini Chat Model
10. Parse Gemini Analysis (Code): runs custom JavaScript code

…plus 7 more steps. See the full node list below.

Services it uses

Google Gemini Chat ModelUpload Post (community)

HTTP calls to: api.upload-post.com, api.openai.com

Before you upgrade to n8n 3.0

Nodes used (8)

• HTTP Requestn8n-nodes-base.httpRequest
• Upload Postn8n-nodes-upload-post.uploadPost
• Coden8n-nodes-base.code
• Google Gemini Chat Model@n8n/n8n-nodes-langchain.lmChatGoogleGemini
• AI Agent@n8n/n8n-nodes-langchain.agent
• Waitn8n-nodes-base.wait
• Ifn8n-nodes-base.if
• n8n Form Triggern8n-nodes-base.formTrigger

From the author

This automation template turns any long video into multiple viral-ready short clips and auto-schedules them to TikTok, Instagram Reels, and YouTube Shorts. It works with both vertical and horizontal inputs and respects the original input resolution (no…

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