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Generate Chart from Table Data
This automation transforms spreadsheet-like input into a visual chart. It starts with raw data, uses ChatGPT to extract labels and values into structured JSON, then creates an HTML-based Chart.js line chart.
This chart is rendered in a headless browser, and the canvas is captured as a base64-encoded PNG image. Finally, the base64 buffer is converted into a clean image. Ideal for anyone looking to turn raw or tabular data into visual reports quickly and automatically.
Updated Aug 31, 2026Est. run: 5sEst. cost: $0,01
How Latenode estimates time and cost
Latenode bills workflow runtime in CPU seconds. The first 10,000 CPU seconds are free each month, then usage follows pay-as-you-go CPU-second pricing. Plug-and-Play (PnP) AI nodes are billed separately—each PnP token is $1 USD, charged pay-as-you-go at vendor cost plus a small processing fee, with no API keys required.
Full pricing — how CPU seconds work →Workflow preview
What this template does
- Convert raw table data into a polished line chart image
- ChatGPT structures the data; JavaScript builds the Chart.js HTML
- Headless browser renders and captures a PNG automatically
- Fast path from spreadsheet-like input to a shareable visual report
How it works
1
Trigger
Supply raw table data
Feed spreadsheet-like rows into the scenario as the chart source.
2
AI
Structure labels and values
ChatGPT extracts labels and values into structured JSON ready for charting.
3
Logic
Assemble the Chart.js page
JavaScript builds an HTML line chart from the structured JSON.
4
Action
Render with headless browser
The headless browser opens the chart, captures the canvas as base64 PNG, and converts it into a clean image.
Setup guide
1
Connect ChatGPT
Add ChatGPT credentials so table extraction into JSON can run.
2
Review the JavaScript chart builder
Open the JavaScript node and confirm Chart.js HTML output matches the fields you expect from your tables.
3
Enable headless browser capture
Ensure the headless browser node can render the HTML and return a PNG, then test with a small dataset.
Requirements
Latenode account
ChatGPT credentials for data structuring
Access to JavaScript and headless browser nodes
Table or spreadsheet-like input to visualize
FAQ
Common questions about this template
It automates extraction, Chart.js rendering, and PNG capture so you get a visual report without building charts by hand.
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