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.net Powerful JavaScript charts
About
RGraph is a JavaScript charts library based on HTML5 SVG and canvas. RGraph is mature (over 18 years old) and has a wealth of features making it an ideal choice to use for showing charts on your website.

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Version 7.10 released
Version 7.10 (released in January 2026) is the latest version of RGraph and contains various updates to the code which you can see on the changelog page. There's also a big tidy up in terms of comments and a significant change to the way that the internal code is referenced which should lead to a performance improvement in effects and animations.

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New HTML datagrid
In the April 2025 (v6.21) release a new datagrid object was added. This makes it easy to add static or dynamic data tables to your pages. It can be used whether you use the canvas or SVG libraries or entirely standalone.

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Download
Get the latest version of RGraph (version 7.10, 18th January 2026) from the download page. You can read the changelog here. There's also older versions available, minified files and links to cdnjs.com hosted libraries.

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License
RGraph can be used for free under the GPL or if that doesn't suit your situation there's an inexpensive (£129) commercial license available.

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Horizontal Progress bar API reference

The Horizontal Bar chart can be customised to appear as a Horizontal Progress bar. This means that all of the properties of the Horizontal Bar chart, such as tooltips, can be used as well. There's a demo in the download archive.

Example

See all of the 1200+ demos in the download archive. 

<script>
    new RGraph.SVG.HBar({
        id: 'chart-container',
        data: [10],
        options: {
            colors: ['#eee'],
            marginLeft: 15,
            marginRight: 15,
            backgroundGrid: false,
            colorsStroke: '#ccc',
            marginInner: 10,
            xaxis: false,
            xaxisScale: false,
            yaxis: false,
            linewidth: .5
        }
    }).draw();

    new RGraph.SVG.HBar({
        id: 'chart-container',
        data: [7],
        options: {
            xaxisScaleMax: 10,
            shadow: true,
            shadowOffsetx: 1,
            shadowOffsety: 1,
            shadowBlur: 1,
            title: 'Results of the weekends competition',
            titleColor: '#666',
            titleBold: true,
            colors: ['Gradient(#fcc:red)'],
            colorsSequential: true,
            backgroundGrid: false,
            tooltips: ['Monday was an average day'],
            tooltipsCss: {
                backgroundColor: '#333',
                fontWeight: 'bold',
                fontSize: '14pt',
                opacity: 0.85
            },
            marginLeft: 15,
            marginRight: 15,
            marginInner: 15,
            xaxis: false,
            xaxisScaleUnitsPost: '%',
            yaxis: false
        }
    }).grow();
</script>

See also