Runtime Counter - Run Code with Execution Time in VS Code

Runtime Counter is a lightweight, developer-friendly Visual Studio Code extension that lets you run source code and instantly see its execution time directly in the terminal. It uses the native Windows CMD terminal, ensuring accurate timing without opening browsers or external tools. Live Link

🚀 Why Runtime Counter?

• ⏱ Precise execution time measurement
• 🖥️ Runs in native CMD terminal (no browser, no hacks)
• 🎨 Color-coded output (grey label, green timing)
• ⚡ One-click run from VS Code
• 🧩 Zero configuration – works out of the box
• 🪶 Lightweight & fast

Perfect for learning, benchmarking, debugging, and performance testing.

📸 Preview

🧠 Supported Languages

• ✅ JavaScript (.js)
• ✅ Python (.py)
• ✅ C (.c)
• ✅ C++ (.cpp)

More languages coming soon 🚧

▶️ How It Works

1. Open any supported source file in VS Code
2. Run Runtime Counter: Run with Time
3. The code executes in CMD terminal
4. Execution time is printed cleanly at the end

Hello, World!
Hello, World!
Hello, World!
Hello, World!
Hello, World!
Execution time: 1.780 s

🎨 Terminal Output Styling

• Execution label → grey
• Execution time value → green

This makes timing results instantly readable while keeping output clean.

⚙️ Requirements

• Windows 10 or later
• Node.js (for JavaScript execution)
• Python installed (for .py files)
• GCC / G++ installed (for C / C++)

📂 Project Assets

The extension includes multiple favicon sizes for marketplace compatibility:

• favicon16.png
• favicon32.png
• favicon48.png
• favicon64.png
• favicon96.png
• favicon128.png
• favicon180.png
• favicon192.png
• favicon256.png
• favicon512.png
• favicon1000.png

And a live preview demo:

• preview.gif

🔍 SEO Keywords

runtime counter vscode extension, execution time vscode, run code with time, vscode performance tool, vscode cmd runner, code execution timer, vscode benchmark extension, runtime measurement vscode

🛠️ Roadmap

• ⏳ Status bar execution timer
• 🔴 Conditional colors (slow = red, fast = green)
• 🧪 Per-file benchmarking history
• 🐧 Linux & macOS support
• ⚙️ Custom command mapping

👤 Author

Thinakaran Manokaran 🌐 https://thinakaran.dev/

⭐ Support

If you find this extension useful:

• ⭐ Star the repository
• 🐞 Report issues
• 💡 Suggest features

Your support helps improve the project 🚀

📄 License

MIT License – free to use, modify, and distribute.

Happy coding & benchmarking! 💚