Document AI & Extractionfree

n8n OpenAI Processing Workflow

by José Ramón VillaverdeUpdated Aug 2026

RequiresOpenAI

1/5

STEPS · 9

Run manually by an operator

Manually queries n8n workflow data, processes it with OpenAI, and conditionally posts results to an HTTP endpoint.

Automate PDF Image Extraction & Analysis with GPT 4o and Google Drive

On manual run, pulls a PDF from Google Drive, extracts its images, analyzes them with OpenAI GPT-4o, and saves the output to a file.

On a Google Calendar event, parses an attached PDF and summarizes it with OpenAI.

On a Google Calendar event, parses a PDF, drafts copy with OpenAI, and adds subscribers to Mailchimp.