.foo: build, test, and break new ground

Give your code, side projects, and experiments a digital sandbox on a .foo domain. Build freely, test boldly, and explore what’s possible — because every great thing starts as a placeholder.

Some examples

yourproject.foo
yourcode.foo
yoursandbox.foo

What is a .foo domain?

A .foo domain is the playground extension built for testing, sandboxing, and digital experimentation. As your flexible digital home, it signals a space where change is constant, and creativity runs the show.

Choosing .foo means your passion for iteration is built right into your web address, serving as the perfect destination to launch experimental projects, test fresh code, or share raw tech insights.

Anyone ready to build can register a .foo domain, creating a dynamic online presence that is ready for anything and everything.

Own your digital sandbox

A .foo domain instantly signals you’re a builder. Give your code, experiments, and side projects a distinct, intentional home.

Short domains ready to ship

Find a clean, memorable .foo domain that puts your technical creativity front and center.

Get built-in security

The .foo top-level domain is included on the HSTS preload list, making HTTPS required on all connections to .foo websites and pages without needing individual HSTS registration or configuration.

Who's on .foo?

Discover how developers are launching open-source projects and owning their digital sandbox.

Cristian Alanis

Validate, escape, extract and do more things with your json.

json.foo

Web Push Playground

Test your Web Push API experience in this sandbox that simulates the entire flow from requesting permission to sending the notification.

push.foo

var.foo

Upload and share anything to anyone without signing up for an account.

var.foo

More early adopters are coming soon.

Ready to get started?

Find the domain name you want, and we'll connect you with partners that can get you started.