Auto-generate Image Captions Using Gemini 1.5
Workflow Description
Intelligent automation that analyzes photos with Google's Gemini 1.5 model to produce accurate, contextual captions automatically. Streamlines content documentation, improves accessibility, and saves hours of manual image description work.
How it works
- 1.Trigger the workflow manually or via incoming request
- 2.Send image to Gemini 1.5 for intelligent visual analysis
- 3.Parse and format the AI response into structured caption data
- 4.Deliver caption to destination (database, email, or API)
Use cases
- Bulk captioning of product galleries for e-commerce platforms
- Creating accessible alt-text for social media content libraries
- Automating visual documentation for internal knowledge bases
Requirements
- Google Gemini API key with image processing capability
- Image files in standard formats (JPG, PNG, WebP, GIF)
- Stable internet connection to communicate with Google Cloud services
Service Value
Ideal as a smart automation service combining integrations and AI to produce ready-to-use results.
Apps Used
Details
How to Use
- 1.Click "Download Template"
- 2.Open your n8n dashboard
- 3.Go to Workflows > Import from File
- 4.Select downloaded file and configure credentials
Nodes Used (16)
When clicking ‘Test workflow’
Manual Trigger
Google Gemini Chat Model
Gemini Model
Structured Output Parser
Output Parser Structured
Get Info
Edit Image
Resize For AI
Edit Image
Calculate Positioning
Code
Apply Caption to Image
Edit Image
Sticky Note
Sticky Note
Merge Image & Caption
Merge
Merge Caption & Positions
Merge
Get Image
HTTP Request
Sticky Note1
Sticky Note
Sticky Note2
Sticky Note
Sticky Note3
Sticky Note
Sticky Note4
Sticky Note
Image Captioning Agent
LLM Chain