April 22, 2025

CodeShow is a code presentation tool I just released. It's a simple open-source static frontend web app with no backend that you can self-host.

CodeShow screenshot

Visit mccormick.cx/apps/codeshow in your browser to use it.

Get the sourcecode on GitHub.

Features

  • Syntax highlighting (CodeMirror)
  • Adjustable color themes (CodeMirror)
  • Full-screen display
  • Filename display (optional)
  • Window dots decoration (optional)
  • Config is auto-saved to localStorage

Usage

  • Click anywhere outside the code box to toggle the config interface.
  • Use the built-in browser zoom if you want bigger or smaller code.
  • Take a screenshot to get an image you can re-use.
  • To self-host, upload index.html, style.css, and main.cljs to your server.

Technology

Video

Need software development advice? Book a call with me.