Supported platforms

The Ktor server can be used on the following platforms supported by Kotlin:

JVM
Native
Using Ktor in a Kotlin/Native project requires a new memory manager, which is enabled by default starting with Kotlin 1.7.20.
JavaScript
WasmJs

The following targets are supported:

Target platform	Target preset
Kotlin/JVM	`jvm`
Kotlin/Wasm	`wasmJs`
Kotlin/JS	`js`
iOS	`iosArm32` `iosArm64` `iosX64` `iosSimulatorArm64`
watchOS	`watchosArm32` `watchosArm64` `watchosX86` `watchosX64` `watchosSimulatorArm64`
tvOS	`tvosArm64` `tvosX64` `tvosSimulatorArm64`
macOS	`macosX64` `macosArm64`
Linux	`linuxX64` `linuxArm64`

22 August 2025