Chart.js

Chart.js is a free, open-source JavaScript library for data visualization, which supports eight chart types: bar, line, area, pie (doughnut), bubble, radar, polar, and scatter. Created by London-based web developer Nick Downie in 2013, now it is maintained by the community and is the second most popular JavaScript charting library on GitHub by the number of stars after D3.js, considered significantly easier to use though less customizable than the latter. Chart.js renders in HTML5 canvas and is widely covered as one of the best data visualization libraries. It is available under the MIT license.^[5][6][7][8]

Original authorNick Downie^[1]

DevelopersChart.js Team and contributors^[2]

Stable release

4.5.1^[3]  / 13 October 2025; 10 February 2023; Error: first parameter cannot be parsed as a date or time. (13 October 2025; 10 February 2023)

Written inJavaScript

Quick facts Original author, Developers ...

Chart.js
Original author	Nick Downie[1]
Developers	Chart.js Team and contributors[2]
Stable release	4.5.1[3]  / 13 October 2025; 10 February 2023; Error: first parameter cannot be parsed as a date or time. (13 October 2025; 10 February 2023)
Written in	JavaScript
Type	JavaScript library
License	MIT[4]
Website	www.chartjs.org
Repository	github.com/chartjs/Chart.js

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