dotsift

Technology domain extension

.io domain names

A country-code extension widely adopted by software products, developer tools, and technology startups.

Common uses for .io

These are positioning ideas, not registration restrictions.

Good fit
Software products
Good fit
Developer tools
Good fit
Technology startups

Registration and pricing

Country-code extensions can have registry-specific eligibility, documentation, or contact rules. Confirm the current requirements with a supporting registrar before registering.

  • This guide does not indicate whether any exact .io name is available.
  • Registration, renewal, transfer, and premium-name charges can differ.
  • Check the full domain at the registrar immediately before registration.

Compare nearby options before choosing the complete name.