This app is a free executable (exe..) file creator with Go language in your browser.
It allows you to build a Go language code, and create a executable file for Linux, Mac, Windows, JS/Wasm directly on your browser.
This app lets you build an executable file for any Go-supported target platform including Linux, Mac, Windows, on your platform. 
This means you can test, release and distribute your Go code without building those executables on the target platforms you wish to use.

You can choose a Go file to edit from your computer or from Google Drive.
It has a very straight forward user interface that can get you started in seconds.

Go (often referred to as Golang) is a statically typed, compiled programming language designed at Google. Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.
Select a build platform (OS and Architecture) in the options.