All calculation in your browser. No data sent to any server.
Yes. All calculation runs in your browser.
Compute max allowed downtime from uptime SLA (e.g. 99.9%). Per day, month, year. All in your browser.
Add or subtract days, weeks, months, years. Difference between two dates. Date in N days. Local and UTC.
Decode cron expressions. See human-readable description and next run times. Paste any 5-field cron.