Chart Kit
Free Line Chart Maker — Line Graphs & Area Charts
Create line graphs online for free. Single or multi-line charts with smooth curves, area fill, and data points. Export as PNG, SVG, or JSON.
FAQ
Can I create multi-line charts?
Yes, add multiple data series to display several lines with unique colors on the same chart.
What is smooth curve mode?
Smooth mode uses Catmull-Rom spline interpolation to draw natural-looking curves between data points.
Can I add area fill?
Yes, toggle the Area Fill option to shade the region under each line.
Is the line chart maker free?
Yes, completely free. No sign-up required.
What is stepped line mode?
Stepped mode draws horizontal and vertical segments between points, useful for discrete data like pricing tiers.