Share JSX code with CodeThis

What you get

• JSX-aware syntax highlighting via CodeMirror
• Instant shareable link — no signup required
• Optional expiration (7 days, 30 days, permanent)
• Password protection for private pastes
• Works with the REST API and MCP server
• Rich markdown and MDC components alongside code

Common use cases for JSX pastes

• Component examples for docs
• Hook patterns
• Bug repros for React libraries
• Code review diffs

Example

function Counter({ initial = 0 }) {
  const [count, setCount] = useState(initial)
  return (
    <button onClick={() => setCount(c => c + 1)}>
      Clicked {count} times
    </button>
  )
}