Cron Expression Translator
Convert cron expressions between formats — English descriptions, systemd timers, Kubernetes CronJob manifests, and dialect conversions. All modes in one tool.
Result
Warnings
Incompatibilities
Conversion Modes
Cron → English
Translate any standard 5-field cron expression into a plain English description. Supports all special characters and named schedules.
English → Cron
Describe your schedule in natural language and get a valid cron expression. Supports phrases like "every weekday at 9am" or "twice daily".
Cron → systemd
Convert cron expressions to systemd .timer unit configurations with OnCalendar= syntax.
Cron → Kubernetes
Generate a complete Kubernetes CronJob YAML manifest from any valid cron expression, ready to apply to your cluster.
Dialect ↔ Dialect
Convert between Standard, Quartz, AWS EventBridge, and Jenkins cron formats. See incompatibilities and structural differences highlighted.