Simple syntax, concurrency built in

Go Compiler Online — Run Go Code in Your Browser

Go was built at Google to make large backend codebases easier to read and maintain — small syntax, fast compilation, and goroutines for concurrency without the ceremony of threads. It's become the default for a lot of cloud infrastructure tooling.

package main

import "fmt"

func main() {
	fmt.Println("Hello, world!")
}

What people use Go here for

• Trying goroutines and channels without setting up a Go module
• Testing a small backend utility or algorithm in isolation
• Following a Go tutorial on a machine without Go installed

No installs, no signup

Code you write here runs on a real, self-hosted Judge0 execution backend — actual Go compiler or interpreter output, not a simulation. go run builds and executes your code for real, goroutines and all — not a JavaScript-based simulation of Go's scheduler. See the full list of supported languages or read more about how AnyCompiler works.