There are a few (closed) threads on various tools, often via Hacker News. This is another one.
I haven’t spent much time with it, but I want it to show up in search history here for next time I need something like this. 
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The Data URI feature would be great for creating CSS styles for web sites.
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I’ve never gotten into direct coding of .svgs, but even just as a source of basic shapes that’s very cool.
Looking at it takes me back to all the times I defaulted to directly editing the HTML back when WordPress was new and …pretty bad 
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I used to code all my SVGs by hand, so I might find that interesting. I will have to check it out.
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I never even thought about svgs being “coded”. I always just thought you draw them in AI or Inkscape and that was it. (Actually, I thought you just got them from the Free Laser Files topic and that was it.)
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