Parse Invoices & Documents with Gemini AI, OCR, and Google Sheets Integration — n8n Workflow

Medium complexity🔗 Webhook10 nodes🏷️ Invoice Processingby WeblineIndia

Overview

Smart Document Parser for Invoices, Logs or Sensor Reports (PDF/Image to Google Sheets)

This n8n workflow automatically parses documents such as invoices, sensor logs or structured PDFs/images (including scanned docs or CSVs), extracts key fields like totals, dates and customer/vendor info using OCR and AI, and writes the structured output into Google Sheets.

Who’s it for

Finance or Ops teams automating invoice processing. SaaS platforms parsing uploaded reports or documents. Anyone needing a

Nodes used

Google SheetsCodeBasic LLM ChainGoogle Gemini Chat Model

Workflow Preview

---
Purpose
* To automatically extract structured data from upload
Smart Document Parser for Invoices, Logs or S
model
C
Check file type
Invoice data
Invoice Data
Transfrom data
Google Gemini Chat Model
Format data from text
W
Webhook Invoice upload
P
PDF to Text
I
Image to Text
C
CSV to JSON
10 nodes10 edges

How it Works

  1. 1

    Trigger

    The workflow starts with a webhook trigger.

  2. 2

    Process

    Data flows through 10 nodes, connecting chainllm, code, extractfromfile.

  3. 3

    Output

    The workflow completes its automation and delivers the result to the configured destination.

Node Details (10)

GO

Google Sheets

googleSheets

#1
CO

Code

code

#2
BA

Basic LLM Chain

n8n-nodes-langchain.chainLlm

#3
GO

Google Gemini Chat Model

n8n-nodes-langchain.lmChatGoogleGemini

#4

How to Import This Workflow

  1. 1Click Download JSON button on the right to save the workflow file.
  2. 2Open your n8n instance. Go to Workflows → New → Import from file.
  3. 3Select the downloaded parse-invoices-documents-with-gemini-ai-ocr-and-google-sheets-integration file and click Import.
  4. 4Set up credentials for each service node (API keys, OAuth, etc.).
  5. 5Click Test Workflow to verify everything works, then activate it.

Or paste directly in n8n → Import from JSON:

{ "name": "Parse Invoices & Documents with Gemini AI, OCR, and Google Sheets Integration", "nodes": [...], ...}

Integrations

chainllmcodeextractfromfilegooglesheetslmchatgooglegeminin8n-nodes-tesseractjs.tesseractnodeswitchwebhook

Get This Workflow

Download and import in one click

Download JSONView on n8n.io
Nodes10
Complexitymedium
Triggerwebhook

Created by

WeblineIndia

WeblineIndia

@weblineindia

Tags

chainllmcodeextractfromfilegooglesheetslmchatgooglegeminin8n-nodes-tesseractjs.tesseractnodeswitchwebhook

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Standard accounting templates often fail to reflect a premium brand identity. This sophisticated n8n workflow bridges the gap between financial record-keeping and professional client presentation. By moving beyond the native limitations of QuickBooks Online, this automation enables businesses to generate high-end, multi-page PDF invoices that align perfectly with their corporate styling. The process begins the moment a new invoice is generated in QuickBooks, triggering a webhook that captures real-time billing data. The workflow then utilizes advanced HTML-to-File conversion and custom Code nodes to structure data into a polished, branded layout. It handles complex logic such as line-item merging and multi-page formatting automatically. Once the document is rendered, the system bypasses generic 'no-reply' senders by routing the finalized PDF through your preferred email provider. This ensures a seamless, white-labeled experience for your clients while eliminating the manual overhead of exporting, styling, and attaching files. Ideal for agencies and service providers, this flow guarantees that your most frequent touchpoint—the bill—is as professional as your work. **Common Use Cases:** - High-end creative agencies requiring bespoke, white-labeled billing documents for premium clients. - Automated recurring subscription billing where custom tax disclosures or localized branding are required. - Service-based businesses needing to attach dynamic project reports or terms of service directly to QuickBooks invoices.

🔗 Webhook·12 nodes