tld.expert — Domain & TLD Checker

by Leftway Labs Limited · tld.expert · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Instantly check if a name is available across popular TLDs, and whether any extension is a real TLD. Powered by tld.expert.

Users

0 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#363K

#274K among extensions

Version

1.0.0

updated 20 Aug 2026

Users

monthly, 2 months

Latest, 15 Oct 2026: 2 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 months

Latest, 15 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About tld.expert — Domain & TLD Checker

Check whether a domain name is available right now, and confirm if any extension is a real TLD. Powered by tld.expert. Detailed description (the long field — benefit-led, no keyword list):Detailed description (paste into the long description field): Looking for a name? tld.expert checks availability instantly, right from your browser. Type a name and see if it's free to register. Type a full domain and it confirms whether that address is available — and flags whether the ending is even a real, registerable extension, using the official IANA registry. • Live availability powered by public RDAP — no signup, no tracking. • Instantly tells you if an extension is a genuine top-level domain or not. • Right-click any selected text on any page to check it as a name. • Every result links to full details and alternatives on tld.expert. Fast, private, and free. Perfect for founders, developers, and anyone brainstorming a new project name.