Cron Expression Generator
Free online cron expression generator and interpreter with next-run preview — schedule with confidence.
5段式
每分，每时，每日，每月，每周
可视化生成
FAQ
Which cron syntax?
Standard 5-field crontab (minute hour day month weekday), used by Linux and most schedulers.
Can I preview upcoming runs?
Yes, the next several execution times are shown as you type.
Can it explain existing expressions?
Yes — paste a cron expression to see it in plain language.