Line Chart Maker

• Free online line chart maker — customize data points, chart title, axis labels, line color and width
• Supports smooth curves, stepped lines and more, with flexible controls for showing or hiding data points and the legend
• Real-time preview that updates instantly when data or settings change
• No sign-up or download required, one-click export to high-resolution PNG

1. Open the tool page — no download or installation needed
2. Add data rows and enter a name and value for each item (at least two valid data points are needed to display the chart, or click "Sample Data" to fill in quickly)
3. In the chart settings, adjust the title, axis labels, line color and width, as well as options such as smooth/stepped, data points and the legend
4. Once satisfied with the preview, click "Export Image" to save the chart as a PNG

• This tool is completely free and requires no sign-up
• Everything runs locally in your browser — your data never leaves your device
• A chart requires at least two valid data points, so make sure every item has both a name and a value

Free online line chart maker tool. Supports custom data points, chart titles, axis labels, line colors and styles. Real-time preview, one-click export to image, no ads, no download required. Perfect for data visualization, trend analysis and report presentations.

Open the tool page — no download or installation needed Add data rows and enter a name and value for each item (at least two valid data points are needed to display the chart, or click "Sample Data" to fill in quickly) In the chart settings, adjust the title, axis labels, line color and width, as well as options such as smooth/stepped, data points and the legend Once satisfied with the preview, click "Export Image" to save the chart as a PNG

This tool is completely free and requires no sign-up Everything runs locally in your browser — your data never leaves your device A chart requires at least two valid data points, so make sure every item has both a name and a value

Yes, Line Chart Maker is completely free. No download or installation required — it runs right in your browser.