Templates / Transform spreadsheet data into smart charts with OpenAI, QuickChart & Google Drive

Transform spreadsheet data into smart charts with OpenAI, QuickChart & Google Drive

Needs changes

by LeeWei ✓ · 141 views · created 2025-09-18 · Document Extraction, Multimodal AI

Needs changes. This template uses 1 thing(s) that n8n 3.0 removes: AI Agent v1 (old agent modes). 1 breaking item(s) found. Static check, last run 2026-10-19.

What this workflow does

This AI workflow has 76 nodes and runs on Slack events. Along the way it connects Postgres, Google Drive, Google Sheets and Slack and 2 more.

How it runs

Trigger: On Slack events.

  1. Initial Processing (Code): runs custom JavaScript code
  2. If: checks a condition and branches into true / false
  3. Switch: routes items into branches
  4. Switch: routes items into branches
  5. Process Audio (HTTP Request): calls an HTTP API
  6. Set Text (Edit Fields (Set)): sets or maps fields
  7. Process Other Files (Edit Fields (Set)): sets or maps fields
  8. Process Drive Links (Edit Fields (Set)): sets or maps fields
  9. OpenAI: uses OpenAI
  10. Merge: merges the data from its input branches

…plus 58 more steps. See the full node list below.

Services it uses

PostgresGoogle DriveGoogle SheetsSlackOpenAI Chat ModelOpenAI

Before you upgrade to n8n 3.0

1 thing in this workflow is removed in n8n 3.0. Fix it before you upgrade:

  • AI Agent v1 (old agent modes) in Let User Know Upload Complete (v1.7), AI Agent (v1.9), Review and approval (v1.8): replace with Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.
  • Also check Slack Trigger requires a signing secret on the Slack API credential.

Rather not rewrite it? Many of these flows can be rebuilt in Make (free plan).

Removed in 3.0Replace with
AI Agent v1 (old agent modes)
Let User Know Upload Complete (v1.7), AI Agent (v1.9), Review and approval (v1.8)
Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.

Nodes used (20)

From the author

Overview of the n8n Workflow This n8n workflow automates the transformation of spreadsheet data into professional charts and graphs using AI-driven analysis. Triggered via Slack, it processes uploaded files (Excel, CSV, Google Sheets, or Drive links),…

Excerpt from LeeWei's description on n8n.io.

View the original on n8n.io → Check your own copy

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