All Tools
492 free tools - 100% client-side, nothing leaves your browser.
7 tools found
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Ping Test
Check DNS A and AAAA resolution for a hostname in your browser. This is not an ICMP ping or latency test.
Network🌐
DNS Lookup
Query DNS records for any domain - A, AAAA, MX, TXT, and CNAME records.
Network🌐
CIDR Subnet Calculator
Calculate subnet masks, network ranges, usable IPs, and wildcard masks from CIDR notation.
Network📡
IP Range Calculator
Count inclusive addresses between two IPs and report the smallest enclosing CIDR, network, and broadcast.
Network🐳
Docker Compose Generator
Generate Docker Compose YAML files for multi-container applications with common templates.
Network📡
Random MAC Generator
Generate random MAC addresses in OUI, EUI-48, and EUI-64 formats for testing.
Network🌐
DNS Lookup Tool
Check DNS records for any domain including A, MX, CNAME, TXT, and NS records.
Network