Those Boring Tools
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Cron Expression Parser

Paste a standard 5-field cron expression to get a plain-English explanation of its schedule.

How to use this tool

  1. 1Paste a cron expression (minute hour day-of-month month day-of-week).
  2. 2Read the plain-English explanation of when it runs.
  3. 3Adjust the expression and see the explanation update live.

Frequently asked questions

What cron format is supported?+

Standard 5-field cron (minute, hour, day of month, month, day of week), including *, lists (1,2,3), ranges (1-5), and step values (*/15).

Does this support 6-field cron with seconds?+

No, only the standard 5-field format used by crontab and most schedulers. Quartz-style 6/7-field expressions aren't supported.

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