Millanc
Make Image Look Like A Neovim Colorscheme
Millanc is an application that lets you convert an image to use the colors of your favorite Neovim colorscheme. It works entirely in your browser, so no image data is sent to any server. Learn more about it here.
You can put Millanc on your own website by using this code snippet:
<div id="millanc"></div>
<script src="https://tomontheinternet.com/++/millanc.js"></script>