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I am looking for a free charting tool for JavaScript that can help me plot around 1 Millions Points easily and charts looks attractive. well I have tried using fallowing charts.

Chart.js
zing Charts
Chartist.js
PLotly.js 

I had similar issue that when ever I try to Plot large data, my web page gets very heavy and become laggy. can some one recommend me some Good Libraries for JavaScript that can plot around 1 million to 20 million points without lagging page. Thank you.

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  • Do you need interactive charts, or is it an option to generate it once ?
    – Uriel
    Commented Oct 10, 2022 at 13:50
  • I need interactive charts because after plotting data I need to perform analysis on that chart. so ill be using zoom functionalities, each line should be in different color so data wont get mix also tooltip is essential.
    – jin phatan
    Commented Oct 10, 2022 at 14:20

2 Answers 2

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You can try Syncfusion JavaScript Chart library

https://www.syncfusion.com/javascript-ui-controls/js-charts

Online Demo: https://ej2.syncfusion.com/demos/#/bootstrap5/chart/line.html

Documentation:https://ej2.syncfusion.com/documentation/chart/

Syncfusion offers a free community license also.

https://www.syncfusion.com/products/communitylicense

Note: I work for Syncfusion

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  • this is a 30 days trail I was free forever for a university project purpose.
    – jin phatan
    Commented Oct 24, 2022 at 10:45
  • You can you free community license syncfusion.com/products/communitylicense Who is eligible? Companies and individuals with less than $1 million USD in annual gross revenue and 5 or fewer developers. Note: An entity or organization may not have ever received more than $3,000,000 USD in capital from an outside source, such as private equity or venture capital, in order to be eligible for the Community License.
    – Arun
    Commented Oct 26, 2022 at 12:22
  • I have found a page where zing chart developers helped a guy to plot around 200k points on zing chart and it work perfectly.
    – jin phatan
    Commented Nov 1, 2022 at 11:45
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SciChart provides a JavaScript Chart which can handle millions of datapoints (see demo). In benchmarks SciChart.js has the fastest performance and beats all known JavaScript Chart libraries in Big-Data test (even LightningChart)

There is a free (watermarked) community license which doesn't require a sign-up to download which you can get here.

Free educational licenses (non-watermarked) are also available via an educational licensing program. More info here

Disclosure: I am the owner/founder of SciChart

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