Code Block Generator

Generate fenced code blocks with syntax highlighting

Language

Filename (optional)

Highlight Lines (optional)

e.g., 1,3-5 for lines 1, 3, 4, 5

Show line numbers

Code

Markdown

```javascript
function greet(name) {
  return `Hello, ${name}!`;
}

console.log(greet('World'));
```

Preview

function greet(name) {
  return `Hello, ${name}!`;
}

console.log(greet('World'));

Syntax Highlighting Languages

Markdown code blocks support syntax highlighting for many languages. Simply specify the language after the opening fence:

```javascript
const greeting = 'Hello, World!';
```