Indiepen

Indiepen is a specialized tool that lets developers embed live HTML, CSS, and JavaScript code examples directly into websites and blogs. It works by fetching your code files from a hosted URL and presenting them in an interactive preview pane where users can toggle between viewing the rendered output or examining the HTML, CSS, and JavaScript code separately. The entire system is designed to be embedded anywhere you can add HTML code, making it ideal for technical documentation, tutorials, and project showcases.

What sets Indiepen apart is its strict privacy-first approach. The service loads less than 20 KB of resources, doesn't use cookies, and avoids any tracking mechanisms. It's built as an open-source project by developers who wanted a clean, performant alternative to heavier code embedding platforms. The tool requires your code files to follow specific naming conventions (index.html, styles.css, main.js) and automatically scrapes them from your provided URL to generate the embeddable code snippet.

Indiepen is particularly valuable for web developers creating technical content, educators building coding tutorials, and bloggers who want to demonstrate frontend concepts without compromising their readers' privacy. It solves the common problem of wanting to show interactive code examples while maintaining website performance and respecting user privacy—all through a simple copy-paste integration process.