# Domain Extensions — 700+ TLDs

> Browse 700+ domain extensions. Compare .com, .ai, .io, and country codes, then check which names are free.

Canonical: https://www.domainsdiscovery.com/domain-extensions

## What is a domain extension (TLD)?

A domain extension, or TLD (top-level domain), is the label after the final dot — such as .com, .org, .ai, or a country code like .uk. DomainDiscovery’s extensions browser helps you explore 700+ options before you run domain name search and register at a registrar.

## Does a keyword TLD improve SEO by itself?

No. Helpful content and technical quality matter far more than the extension string alone.

## Domain extensions (TLDs) — quick answers

Choose an extension for brand fit and market, then verify availability. Browse 700+ options here.

### What is a TLD?

A TLD (top-level domain) is the part after the final dot — .com, .org, .ai, or a country code like .uk. It sits at the top of the DNS hierarchy for that namespace.

### Which extension should I choose?

Prefer .com for global consumer brands when available. Consider .ai, .io, .app, or .dev for category fit. Use a ccTLD when you truly operate in that country and customers expect it.

### Does a keyword TLD improve SEO by itself?

No. Helpful content and technical quality matter far more than the extension string. A weak site on a clever TLD still underperforms a strong brand site.

### How do I go from browsing to registering?

Shortlist TLDs here, run domain name search for your string, compare prices, then complete checkout at a registrar.

## Related

- [What is a TLD? full guide](https://www.domainsdiscovery.com/learn/what-is-a-tld-domain-extension)
- [TLD encyclopedia](https://www.domainsdiscovery.com/blog/tlds)
- [Domain search](https://www.domainsdiscovery.com/)
- [Price compare](https://www.domainsdiscovery.com/tools/compare)