Plot Digitizer
g3data
DataThief III
DigitizeIt
im2graph
Silkscientific UN-SCAN-IT
GraphClick
WebPlotDigitizer - Web based tool to extract numerical data from plots, images and maps.

D3.js
Highcharts
AnyChart
ApexCharts
Chartist.js
Google Charts
Backbone.js
Easy, object oriented client side graphs for designers and developers.
Which is more popular?
Based on our record, Chart.js seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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WebPlotDigitizer
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| Website | automeris.io | chartjs.org |
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What each product offers, as listed by its team.

Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
WebPlotDigitizer is recommended for researchers, scientists, data analysts, and students who frequently need to extract data from published graphs and charts. It is particularly useful in fields such as biology, engineering, physics, and any other areas where visual data needs to be quantitatively analyzed.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
π΄ Webplotdigitizer Tutorial - A Plot Digitizer to Digitize Graphs
More videos
1.3: Graphing with Chart.js - Working With Data & APIs in JavaScript
More videos
How often each product is chosen within a category, 0β100% relative to the other.

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External articles and on-site reviews we used to compare the two products.

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Of the free libraries on this list, ECharts has the widest range of chart types available, second only to D3. Unlike D3, ECharts also ranks highly on the user-friendliness scale, although some users find ApexCharts...
Chart.js is a chart library that is available as a client-side JavaScript package. There are also derivatives for other frontend frameworks, like React, Vue, and Angular. It displays the chart on an HTML canvas element.
Chart.js is a simple yet quite flexible JavaScript library for data viz, popular among web designers and developers. Itβs a great basic solution for those who donβt need lots of chart types and customization features...
Recommendations tracked on public social media and blogs since March 2021.

Tracking WebPlotDigitizer since Mar 2021.
Https://chartjs.org works well, but you have to call the update function yourself if you want to do some reactive updates. Source: over 5 years ago
When comparing WebPlotDigitizer and Chart.js, you can also consider the following products.

All-in-One Tool to Extract Data from Graphs, Plots & Images
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D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG, and CSS.
Compare D3.js to WebPlotDigitizer or Chart.js:
g3data is used for extracting data from graphs.
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A charting library written in pure JavaScript, offering an easy way of adding interactive charts to your web site or web application
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DataThief III is a program to extract (reverse engineer) data points from a graph.
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Award-winning JavaScript charting library & Qlik Sense extensions from a global leader in data visualization! Loved by thousands of happy customers, including over 75% of Fortune 500 companies & over half of the top 1000 software vendors worldwide.
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