https://github.com/sushant1827/mistral-ocr-pdf-image

This workflow automates the extraction of structured information from PDFs and image files using the Mistral OCR API.
https://github.com/sushant1827/mistral-ocr-pdf-image

google-sheets http-requests mistral-ai n8n n8n-nodes n8n-workflow ocr-service ocr-text-reader openai-api text-classification

Last synced: 10 days ago
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This workflow automates the extraction of structured information from PDFs and image files using the Mistral OCR API.

• Host: GitHub
• URL: https://github.com/sushant1827/mistral-ocr-pdf-image
• Owner: sushant1827
• Created: 2025-04-17T15:28:54.000Z (6 months ago)
• Default Branch: main
• Last Pushed: 2025-04-17T15:36:54.000Z (6 months ago)
• Last Synced: 2025-06-30T11:07:44.569Z (3 months ago)
• Topics: google-sheets, http-requests, mistral-ai, n8n, n8n-nodes, n8n-workflow, ocr-service, ocr-text-reader, openai-api, text-classification
• Homepage:
• Size: 357 KB
• Stars: 2
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

Awesome Lists containing this project

README

          
# 🧠 Mistral OCR with n8n

This n8n workflow automates the extraction of structured information from PDFs and image files using the [Mistral OCR API](https://mistral.ai/). It’s designed for use cases like extracting invoice details or restaurant receipts, and storing them into Google Sheets.

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## 🔧 Features

- 📄 Upload **PDF invoices** through an n8n form

- 🖼️ Provide **image URLs** (e.g., receipts) for OCR

- 🔍 Uses **Mistral OCR** for high-quality document text extraction

- 🧠 Extracts specific fields using LangChain Information Extractor:

  - For PDFs: 

    - `Invoice Number`

    - `Date`

    - `Gross Amount`

    - `Customer ID`

  - For images:

    - `Restaurant Name`

    - `Date`

    - `Total Bill Amount`

- 📤 Appends extracted data to a **Google Sheets document**

- 💬 Integrated OpenAI Chat node (optional) for further enrichment or validation

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## 🧩 Workflow Nodes Overview

- **Form Trigger** – Collects PDF invoices from users

- **Set Node** – Allows testing with static image URLs

- **Mistral API Integration** – Handles:

  - File upload

  - Signed URL generation

  - OCR processing

- **LangChain Extractors** – Converts OCR'd text into structured fields

- **Google Sheets Node** – Writes the extracted information to a live spreadsheet

- **OpenAI Chat Node** – Optionally reviews or interprets the data

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## 🧩 PDF Workflow

![image](https://github.com/user-attachments/assets/b2248052-9937-4fc8-aaa1-5deda174e200)

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## 🧩 Image Workflow

![image](https://github.com/user-attachments/assets/d34bb967-2318-41dd-9f9c-d0373b62bccb)

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## 🛠 Requirements

- n8n setup (local or cloud)

- Mistral API key with OCR access

- Google Sheets API credentials

- OpenAI API key

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## 📂 Example Use Cases

- Automating expense reports

- Extracting invoice metadata for accounting

- Digitizing restaurant receipts for tax documentation

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> Built with 💛 using [n8n](https://n8n.io) and [Mistral OCR](https://mistral.ai/).