WebPixie Free Tools
A growing library of free utilities for domains, DNS, networking, and uptime. No login required. Powered by the same monitoring infrastructure behind WebPixie.
Uptime & Downtime CalculatorUptime
Convert any uptime percentage to allowed downtime per day, week, month, and year. Includes a reverse mode and a downtime cost estimate.
Domain LookupDomain
Check domain availability and look up WHOIS / RDAP registration, ownership, status flags, nameservers, and expiry dates for any domain.
DNS LookupDNS
Query A, AAAA, MX, TXT, NS, and 20+ other DNS record types, plus parsed SPF, DMARC, DNSSEC, and PTR data for any domain.
IP Subnet CalculatorNetwork
Calculate network and broadcast addresses, host ranges, subnet and wildcard masks, and split networks into subnets for IPv4 and IPv6.
Cron Expression GeneratorUtilities
Build and decode cron expressions with a visual editor. Supports Standard (5-field) and Quartz (6-field) syntax, with a human-readable description and the next run times.