Automate Dynamic Image Updates in Google Slides
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Effortlessly update images in your Google Slides presentations through an API. This workflow allows you to dynamically replace specific images by their unique identifiers, perfect for keeping your decks fresh and consistent with minimal manual effort.
About This Workflow
This n8n workflow provides a powerful solution for automating image replacement within Google Slides. By exposing a simple webhook API endpoint, it enables you to programmatically update images in your presentations based on a unique identifier (Alt Text). Simply tag images in Google Slides with a key like client_logo or background, then send a POST request with the new image URL. The workflow handles fetching presentation details, finding the target images, and updating them, saving countless hours for marketing and sales teams managing dynamic presentation content.
Key Features
- API-Driven Image Replacement: Update Google Slides images programmatically via a simple POST request.
- Intelligent Image Targeting: Replace specific images using a unique
image_keydefined in their Alt Text. - Dynamic Content Delivery: Seamlessly integrate with other systems to keep your presentations always up-to-date.
- Batch Updates: Replace multiple instances of the same keyed image within a presentation with a single API call.
- Robust Error Handling: Includes basic validation to ensure all necessary parameters are provided for a successful update.
How To Use
- Set Up Google Slides Image Identifiers: In your Google Slides presentation, select the image(s) you wish to make dynamic. Go to Format Options > Alt Text and enter a unique key identifier (e.g.,
client_logo,product_hero). - Configure Google Slides Credential: In n8n, create a new
Google Slides OAuth2 APIcredential. This workflow uses it to connect to your Google Slides account. - Activate the Workflow: Save and activate this workflow in your n8n instance.
- Send a POST Request: Send a POST request to the workflow's webhook URL (found in the 'Webhook' node). The request body must include the following JSON parameters:
presentation_id: The ID of your Google Slides presentation (found in its URL:https://docs.google.com/presentation/d/{this-part}/edit#slide=id.p)image_key: The unique identifier you set in the image's Alt Text.image_url: The public URL of the new image you want to use for replacement.
- Observe the Magic: The workflow will fetch the presentation, locate images matching your
image_key, and replace them with the newimage_url.
Apps Used
Workflow JSON
{
"id": "2d488c97-2889-4084-acdf-94db21d54062",
"name": "Automate Dynamic Image Updates in Google Slides",
"nodes": 23,
"category": "Marketing",
"status": "active",
"version": "1.0.0"
}Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.
Get This Workflow
ID: 2d488c97-2889...
About the Author
SaaS_Connector
Integration Guru
Connecting CRM, Notion, and Slack to automate your life.
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