Extract license plate number from image uploaded via an n8n form

What it does

This is a simplistic demo workflow showing how to extract a license plate number from an image of a car submitted via a form – or in more general terms showcasing how you can:

use a form trigger to upload files and feed it into an LLM use a changeable LLM model for image-to-text analysis

Set up steps

Import the workflow Ensure you have registered and account, purchased some credits and created and API key for [OpenRouter.ai](https://openrouter.ai) Create/adapt the OpenRouter credential with your indivial API key for OpenRouter "Test workflow" and submit an image of a car with license plate to extract its number

How to adapt

By changing the "prompt" in th "Settings" node you can quickly adapt this exemplatory workflow to other image-to-text use cases, such as:

summarization: "summarize what's seen in the image" location finding: "identify the location where the image was taken" text extraction: "extract all text from the image and return it as markdown"