100+ common TLDs — meaning, category, country and usage notes.
TLD
Meaning
Category
Country / Region
Typical use
Search by TLD string, meaning, country or keyword. Filter by category using the buttons above. Sort by clicking the TLD / Category / Country column headers. Categories: Generic (the original gTLDs plus early sponsored ones), New Generic (the post-2012 gTLD expansion), Country (ccTLDs, ISO 3166 two-letter), Infrastructure (.arpa). Note: .io and .ai are officially ccTLDs for British Indian Ocean Territory and Anguilla, but are widely used by tech startups and AI projects respectively.