Find and Register Your .io Domain

.io is the country code top-level domain of the British Indian Ocean Territory. Because io also stands for input/output in computing, it became one of the most popular extensions for technology companies and developer tools.

Anyone can register a .io domain. You do not need to live in or have any connection to the British Indian Ocean Territory.

On Modulify, a new .io domain costs $59.39 for the first year and renews at $87.99 every year. Prices are in US dollars, WHOIS privacy is included for free where the extension offers it, and the search on this page shows the live price for the exact name you want.

Yes, especially for software and developer-focused startups, where .io is familiar and reads as a sign of a tech product. It renews at a higher price than a .com, so check what renewing costs before you register. For a consumer brand that sells offline, a .com or a country code is usually easier for customers to remember.

Search for the name you want at the top of this page. If it is available, choose Register domain to open the Domains page of your Modulify dashboard, sign in or create an account, then pick a registration term, add the owner's details, and pay. Modulify registers the domain through Name.com and adds it to your workspace.