Chart.js
Simple, flexible JavaScript charting library
FreeChartsOpen Source12 impressions
Chart.js is an open-source JavaScript library for creating responsive, animated charts on the modern web.
- for
- Web developers who need lightweight, customizable charts in their applications
- pricing
- open source
- license
- MIT
Key features
- 8 Built-in chart types — Bar, line, pie, radar, doughnut, polar area, bubble and scatter charts, all animated and customizable.
- Responsive rendering — Charts automatically redraw on window resize for perfect scaling.
- Advanced animations — Configure transitions for every property and element individually.
- Tree-shaking support — Register only needed components to reduce bundle size by dozens of kilobytes.
- Plugins ecosystem — Built-in plugins for colors, subtitles, line-segment styling and more.
- Mixed chart types — Combine different chart types (e.g., bar and line) in a single visualization.
Use cases
- Interactive dashboards with real-time data updates
- Large dataset visualisation using decimation for performance
- Custom axes for time-series, logarithmic or bespoke scales
- Embedding responsive charts in mobile-friendly web pages
Chart.js vs alternatives
 Chart.js |  Recharts |  D3.js | |
|---|---|---|---|
| Best for | Simple, flexible charting on HTML5 Canvas | Composable charting in React | Bespoke data visualizations |
| Pricing | Open source | Free | Free |
| DevHunt upvotes | 0 | 0 | 0 |
| Launched | — | — | — |
- Chart.js vs Recharts: React-specific components vs plain JavaScript library
- Chart.js vs D3.js: Low-level visualization toolkit vs higher-level chart library
Chart.js FAQ
Is Chart.js free to use?+
Yes, Chart.js is an open-source project released under an MIT license.
What browsers does Chart.js support?+
It works across all modern browsers and includes support for IE11+.
Can I reduce the JavaScript bundle size?+
Yes, you can use tree-shaking by registering only the components you need.
How many chart types are available?+
Chart.js provides eight built-in chart types.
Does Chart.js support mixed chart types?+
Yes, you can mix and match different chart types in a single chart.
Summarized by DevHunt from chartjs.org · Oct 1, 2026. Details may change; check the official site.
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