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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 7.20
Version 7.20 (released in June 2026) is the latest version of RGraph and the major change in this version is an update to the default values of properties making for better looking charts without having to set any properties. Read more about this and other changes in the changelog.

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Download
Get the latest version of RGraph (version 7.20, 9th June 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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Latest forum posts
These are the latest support forum posts that have been posted or updated.


16th June, Rachel
I have a question about the 3D Bar chart
12th June, Marco
Should I use SVG or canvas for the charts on my website?
9th June, Richard
New version of RGraph: version 7.20
3rd June, Patrick
Question about installing RGraph
1st June, Ouja
How do I add a click event to a bar in my Bar chart?


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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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Version 7.00 of RGraph is now available

Written by Richard Heyes, RGraph author, on 12th August 2025

Happy release day! This is a major version increase that only has a single significant improvement (and a few other minor tweaks) and that improvement is... greatly improved text!

The new technique that's used to draw text is called scaling and you can read the documentation page describing the new scaling feature here.

There's a list of points to be aware of on that page but one thing that stands out is that the coordinate space of the canvas tag has been doubled (despite the canvas tag remaining at the same width and height dimensions).

This probably won't affect you if you just have a regular chart - but if you're delving into the API or doing custom drawing of your own then this is something that you'll now need to keep in mind and account for it in the coordinates that you use.

The antialiasing HOWTO document has been updated with a comparison of no antialiasing, the previous antialiasing style and the new antialias style.

Remember - this update affects the canvas charts along with the drawing API objects.

Also, the RGraph.getImage() function has been added to the canvas common library which gives you an easy way to get a data: URL that represents the canvas (ie it's an easy way to get an image). The function is documented in the API documentation.

You can download the new version of RGraph from the download page and the full list of changes (not there is many) is available on the changelog page .