Extract license plate number from image uploaded via an n8n form
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 5 nodes and runs when someone submits an n8n form (“Analyse image”). Along the way it connects OpenRouter Chat Model.
How it runs
Trigger: When someone submits an n8n form (“Analyse image”).
- Settings (Edit Fields (Set)): sets 2 fields: model, prompt
- Basic LLM Chain: sends a prompt to an LLM, with model: OpenRouter LLM
- FormResultPage (n8n Form): shows the next form page
Services it uses
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (5)
- Basic LLM Chain
@n8n/n8n-nodes-langchain.chainLlm - n8n Form
n8n-nodes-base.form - OpenRouter Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenRouter - Edit Fields (Set)
n8n-nodes-base.set - n8n Form Trigger
n8n-nodes-base.formTrigger
From the author
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…