Response will appear here
Enter a URL and click Test Connectivity-I https://google.com-6 https://ipv6.google.com-v -I https://google.comEvery coffee helps keep the servers running. Every book sale funds the next tool I'm dreaming up. You're not just supporting a site — you're helping me build what developers actually need.
Curl (Client URL) is a command-line tool for transferring data using various network protocols. It's essential for testing APIs, debugging web services, downloading files, and checking website accessibility. This online tool provides a web-based interface for basic curl functionality.
| Code | Name | Description |
|---|---|---|
| 200 | OK | Request successful |
| 301 | Moved Permanently | Resource permanently redirected |
| 302 | Found | Temporary redirect |
| 400 | Bad Request | Invalid request syntax |
| 403 | Forbidden | Access denied |
| 404 | Not Found | Resource doesn't exist |
| 500 | Internal Server Error | Server-side error |
| 503 | Service Unavailable | Server temporarily unavailable |
Use ipv6.google.com or ipv6.cloudflare.com to test IPv6 connectivity. These domains only resolve to IPv6 addresses (AAAA records), ensuring your connection uses IPv6.
HTTPS uses SSL/TLS to encrypt data. Certificate errors may occur with expired, self-signed, or mismatched certificates. Always ensure certificates are valid for production sites.