Share Kotlin code with CodeThis

What you get

• Kotlin-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 Kotlin pastes

• Android view models
• Ktor handlers
• Coroutine flow examples
• DSL prototypes

Example

sealed class Result<out T>
data class Ok<T>(val value: T) : Result<T>()
data class Err(val message: String) : Result<Nothing>()

fun Result<Int>.orZero(): Int = when (this) {
  is Ok -> value
  is Err -> 0
}