Your IT Testing Toolkit
Free online tools for network diagnostics, security checks, and developer utilities
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Popular Tools
Ping Test
Test host reachability & response time
DNS Lookup
Look up DNS records for any domain
Speed Test
Measure your internet speed
Website Status & Down Checker
Check if a website is down or online
SSL Checker
Verify SSL certificate validity
Traceroute
Trace the network path to a host
IP Lookup
Find location & ISP for any IP
HTTP Headers
Inspect HTTP response headers
Subnet Calculator (IPv4 & IPv6)
Calculate IPv4 & IPv6 subnets, CIDR prefixes and address ranges
Password Generator
Generate strong, secure passwords
Regex Tester
Test regex patterns in real-time
JSON Formatter
Format & validate JSON data
Whois Lookup
Inspect domain ownership, registrar & expiry
Base64 & URL Converter
Encode & decode Base64 strings and URLs
Port Scanner
Scan for open ports on a host
MAC Address Lookup
Identify hardware vendor by MAC address