How it works
How to use the Line Graph Maker
Enter your data
Paste CSV or copy cells straight from Excel or Google Sheets: labels in the first column, values in the next ones.
Style the chart
Add a title, pick a color palette and toggle the legend and chart-specific options.
Download the image
Save the chart as a PNG (with a solid background) or JPG for slides, docs and reports.
About the Line Graph Maker
Create line graphs to show trends over time. Plot several series at once, smooth the lines or fill the area underneath, and export a crisp PNG or JPG.
Built for developers
Why developers use it
Private by design
Runs 100% in your browser. Nothing you paste is uploaded, logged or stored on a server.
Instant results
Output updates as you type, with precise error locations when something is wrong.
Works offline
Once loaded, the tool keeps working without a connection. Install it as an app if you like.
Free, no sign-up
No accounts, no limits, no watermarks.
FAQ
Frequently asked questions
Is my data uploaded anywhere?
No. Everything runs locally in your browser — nothing you type, paste or open is sent to a server, logged or stored. The tool keeps working offline once the page has loaded.
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