chart-image

Overview

Generate publication-quality chart images from data using Vega-Lite. Perfect for headless server environments.

Key Features

• Supports line, bar, area, point, candlestick, pie/donut, heatmap, multi-series, and stacked charts
• No native compilation, no Puppeteer, no browser required
• Pure Node.js with prebuilt binaries

How It Works

Use the chart.mjs script with various options to generate chart images. See the Options Reference for details.

Use Cases

• Visualizing data
• Creating graphs
• Plotting time series
• Generating chart images for reports/alerts