Chart.js
Simple yet flexible JavaScript charting for designers & developers
- Status
- Generally available
- Last checked
- Checked · Oct 15, 2026
- License
- Open source
- Pricing
- Free tier · from $0
What it is
Chart.js is a simple and powerful library that makes it easy to create interactive charts and graphs in web applications. It supports various types of charts, including line, bar, radar, pie, doughnut, bubble, scatter, and polar area.
Chart.js stands out as a lightweight, easy-to-use library with broad support for different chart types and frameworks, making it ideal for quick integration into web projects without sacrificing customization.
When it fits — and when it doesn’t
A good fit for
Developers who need to quickly add interactive charts to their web applications without complex setup.
Projects requiring lightweight and responsive chart solutions for various devices.
Look elsewhere if
Applications that require heavy customization beyond the provided options.
Complex data visualization tasks needing advanced features like 3D rendering or geographic mapping.
Known weaknesses
Each one links to the public issue, changelog or docs page it came from, where we have one.
- 01
Limited customization options beyond basic settings
Advanced chart configurations and interactions require deep dives into documentation or community forums.
- 02
Performance issues with large datasets
Rendering complex charts with thousands of data points can lead to lagging UI performance.
- 03
Lack of built-in support for real-time updates
Updating chart data in real-time requires manual re-rendering, which can be cumbersome and inefficient.
- 04
Documentation can be sparse for advanced use cases
Examples and guides are plentiful for basic usage but fall short when it comes to more complex scenarios or edge cases.
What it does well
Supports multiple chart types including line, bar, radar, pie, and more.
Highly customizable with options for colors, fonts, and animations.
Responsive design that adapts to different screen sizes.
Interactive features like tooltips and zooming.
Lightweight and fast performance.
Pricing
- Free tier
- YesOpen source — free to use
- Paid from
- $0
- Model
- Flat rate
- Enterprise plan
- No
Pricing not independently confirmed — check the vendor’s page.
Performance benchmarks
How Fast Is It?
Set up Chart.js
Setup steps, common gotchas and what to check after 30 days.