Cron Expression Builder
Build and decode cron expressions visually with human-readable descriptions — 100% local
How to use Cron Builder
Enter a cron expression directly or use the visual field editors. Click a preset for common schedules. The builder shows a human-readable description and the next 5 run times.
Cron expression format
A cron expression has 5 fields: minute (0-59), hour (0-23), day of month (1-31), month (1-12), day of week (0-7). Use * for any, */n for intervals, and comma-separated lists.