DevOps
Networking, scheduling, and infrastructure-adjacent calculators.
DevOps
CIDR / Subnet Calculator
Calculate network address, broadcast address, netmask, and usable host range from CIDR notation.
DevOps
Cron Expression Parser
Parse a cron expression and preview its next scheduled run times.
DevOps
.gitignore Generator
Combine common .gitignore snippets for languages and editors into one file.
DevOps
chmod Calculator
Convert Unix file permissions between checkboxes, octal, and symbolic notation.
DevOps
Cron Expression Generator
Build and validate a standard five-field cron expression from individual schedule fields.
DevOps
IP Range Calculator
Calculate the inclusive address count and smallest covering CIDR block for an IPv4 range.