The best alternatives to Codepng are Serendipity, Open Design SDK, and Hueflake. If these 3 options don't work for you, we've listed a few more alternatives below.
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Hueflake makes it easy for anyone to build a personalized code editor or terminal theme in minutes using the power of state-of-the-art color science. Share your creation and download your theme with high-quality support for 24 editors & terminals at once.
See outline of code on Github - functions, classes and interfaces used in the code. Clicking scrolls to the corresponding line in code. Currently only works for Java, Javascript and Typescript.
Transform any code snippets into stunning visuals that captivate your audience. Whether you're a developer showcasing your work or a tech enthusiast looking to add creativity to your code With a user-friendly interface and customizable options.