How do I convert a CSV to a line graph?

Simply drop your CSV file into ExcelInsight. The tool will identify date and numeric columns to automatically generate an interactive line graph.

Is ExcelInsight free?

Yes. ExcelInsight is completely free with no signup, no subscription, and no usage limits. Upload as many Excel or CSV files as you like.

Yes. Files are processed entirely in your browser using client-side JavaScript. Nothing is uploaded to a server, which makes it safe for confidential financial, sales, HR and operational data.

Chart makers

Convert CSV to Line Graph Online

Looking to turn a CSV to line graph online? ExcelInsight parses your comma-separated values and plots them as beautiful, multi-series line charts in your browser, completely free of charge.

Upload your spreadsheet — free See it in action

Plot time series data instantly

If your CSV contains a date column and numeric values, ExcelInsight automatically detects them. It plots smooth line graphs so you can track trends, website traffic, or financial performance over time.