Automate PDF Data Extraction with n8n, AI, and Google SheetsAutomate PDF Data Extraction with n8n, AI, and Google Sheets
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ABDALLAH's avatar
Nice flow. One tip from building these: add a validation step before the Sheets write (required fields present, totals add up, dates parse). Route anything that fails to a 'needs review' tab instead of letting bad rows slip in silently.
Oussama's avatar
Great idea! I'll definitely add a validation step and a review tab to catch those errors early.
Piet's avatar
Clean flow. For messy layouts I'd also log a confidence score per extracted field, so you can see which ones deserve a human glance. Does it handle scanned PDFs too, or only digital ones?
Oussama's avatar
Right now it’s just digital PDFs, but if I swap the PDF-to-text node for an AI model node like Gemini or ChatGPT, it can handle scanned ones too!
Piet's avatar
Nice, swapping in a vision model is a smart upgrade for scanned files. Are you planning to add a fallback for when the AI node isn't confident?
Oussama's avatar
Yes, exactly! The plan is to route the output of the model directly into a Google Sheet so it can be easily reviewed.
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