Line Chart Generator

Free online line chart generator. Create beautiful line charts, area charts, spline charts, and stepped charts with multi-series support, custom colors, and axis labels. Export as PNG. No signup needed, pure client-side.

Data Input

Labels (X-Axis)

Chart Type

Line Area Spline Stepped

Color Theme

Presets

About Line Chart Generator

A free online line chart generator for creating beautiful, professional charts instantly in your browser. Generate line charts, area charts, spline curves, and stepped charts with multi-series support, customizable colors, and axis labels. Perfect for presentations, reports, education, and data visualization. All processing happens client-side — your data never leaves your device.

Features

Four chart types: Line, Area, Spline, and Stepped
Multi-series support — compare up to 5 datasets
Six color themes + custom color picker for each series
Real-time preview with hover tooltips
Export charts as high-quality PNG images
Preset data templates for quick start
100% client-side — no data sent to servers

FAQ

Is this line chart maker free?

Yes, completely free. No registration, no ads, no limits.

Can I download the chart as an image?

Yes! Click "Download PNG" to save your chart as a high-quality PNG image.

What chart types are supported?

We support Line charts (standard), Area charts (filled below), Spline charts (smooth curves), and Stepped charts (staircase style).

How many data series can I add?

You can add up to 5 data series for comparison. Each series can have up to 20 data points.

Is my data private?

Absolutely. All chart rendering happens inside your browser. Nothing is sent to any server.