🎬 Convert natural language to video JSON prompts with GPT and Gemini for Veo 3
⚡ 2,530 views · 🎬 Content Creation & Video
Description
The Prompt converter workflow tackles the challenge of turning your natural language video ideas into perfectly formatted JSON prompts tailored for Veo 3 video generation.
By leveraging Langchain AI nodes and Google Gemini, this workflow automates and refines your input to help you create high-quality videos faster and with more precision—think of it as your personal video prompt translator that speaks fluent cinematic!
💡 Why Use Prompt Converter?
Save time: Automate converting complex video prompts into structured JSON, cutting manual formatting headaches and boosting productivity.
Avoid guesswork: Eliminate unclear video prompt details by generating detailed, cinematic descriptions that align perfectly with Veo 3 specs.
Improve output quality: Optimize every parameter for Veo 3’s video generation model to get realistic and stunning results every time.
Gain a creative edge: Turn vague ideas into vivid video concepts with AI-powered enhancement—your video project’s secret weapon.
⚡ Perfect For
Video creators: Content developers wanting quick, precise video prompt formatting without coding hassles.
AI enthusiasts: Developers and hobbyists exploring Langchain and Google Gemini for media generation.
Marketing teams: Professionals creating video ads or visuals who need consistent prompt structuring that saves time.
🔧 How It Works
⏱ Trigger: User submits a free text prompt via message or webhook.
📎 Process: The text goes through an AI model that understands and reworks it into detailed JSON parameters tailored for Veo 3.
🤖 Smart Logic: Langchain nodes parse and optimize the prompt with cinematic details, set reasonable defaults, and structure the data precisely.
💌 Output: The refined JSON prompt is sent to Google Gemini for video generation with optimized settings.
🔐 Quick Setup
- Import the JSON file to your n8n instances
- Add credentials: Azure OpenAI, Gemini API, OpenRouter API
- Customize: Adjust prompt templates or default parameters in the Prompt converter node
- Test: Run your workflow with sample text prompts to see videos come to life
🧩 You’ll Need
- Active n8n instances
- Azure OpenAI API
- Gemini API Key
- OpenRouter API (alternative AI option)
🛠️ Level Up Ideas
- Add integration with video hosting platforms to auto-upload generated videos
🧠 Nodes Used
- Prompt Input (Chat Trigger)
- OpenAI (Azure OpenAI GPT model)
- Alternative (OpenRouter API)
- Prompt converter (Langchain chain LLM for JSON conversion)
- JSON parser (structured output extraction)
- Generate a video (Google Gemini video generation)
Made by: Khaisa Studio
Tags: video generation, AI, Langchain, automation, Google Gemini
Category: Video Production
Need custom work? Contact me
🔗 Nodes Used
Basic LLM Chain, Structured Output Parser, Chat Trigger, Azure OpenAI Chat Model, OpenRouter Chat Model, Google Gemini
📥 Import
Download workflow.json and import into n8n:
Workflow menu → Import from File