Simply enter your keyword in the search box (e.g., "myproject", "techblog" - without any extension), then click "Search". The tool will automatically check domain availability for that keyword across all selected extensions (.com, .io, .ai, etc). You can customize which extensions to check by clicking the Settings button.
Yes, this tool is 100% free to use with no registration required. There are no hidden fees, premium features, or usage limits. All data is retrieved from free public APIs.
We use multiple trusted data sources:
The results are highly indicative but not 100% definitive. We check DNS records to determine if a domain is in use. However, some edge cases may occur:
Always verify availability with your chosen registrar before purchasing.
RDAP data availability varies by domain extension and registry:
When RDAP data is unavailable, you can click the "WHOIS Lookup" link to check alternative sources.
Yes! Click the Settings button, then use the "Add Custom Extension" field to add any TLD you want to check. Your preferences are saved locally in your browser, so they'll persist across sessions.
Prices shown are estimates based on typical 2025 market rates. Actual prices vary by:
Always click the registrar links to see current, accurate pricing for your specific domain.