Extract and structure Thai documents to Google Sheets using Typhoon OCR and Llama 3.1
Ready for 3.0What this workflow does
This AI workflow has 7 nodes and runs manually, when you click “Execute workflow”. Along the way it connects OpenRouter Chat Model and Google Sheets.
How it runs
Trigger: Manually, when you click “Execute workflow”.
- Load PDFs from doc Folder (Read/Write Files from Disk): reads a file from disk
- Extract Text with Typhoon OCR (Execute Command): runs a shell command on the n8n host
- Structure Text to JSON with LLM (Basic LLM Chain): sends a prompt to an LLM, with model: OpenRouter Chat Model
- Parse JSON to Sheet Format (Code): runs custom JavaScript code
- Save to Google Sheet (Google Sheets): append
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 (7)
- Manual Trigger
n8n-nodes-base.manualTrigger - OpenRouter Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenRouter - Execute Command
n8n-nodes-base.executeCommand - Basic LLM Chain
@n8n/n8n-nodes-langchain.chainLlm - Code
n8n-nodes-base.code - Google Sheets
n8n-nodes-base.googleSheets - Read/Write Files from Disk
n8n-nodes-base.readWriteFile
From the author
⚠️ Note: This template requires a community node and works only on self-hosted n8n installations. It uses the Typhoon OCR Python package and custom command execution. Make sure to install required dependencies locally. --- Who is this for? This template is…