Presets
Cron expression
* * * * *Schedule: Every minute.
Build a cron expression visually and read it back in English.
* * * * *Your vote is saved on this device only.
The Cron Expression Generator lets you build a cron schedule by picking minutes, hours, days, months, and weekdays through a visual interface instead of memorizing field syntax. As you make selections, it produces the matching cron string and translates it back into plain English, so you can confirm a job runs "every weekday at 6:30 AM" before pasting it into a crontab or scheduler.
It is built for developers, sysadmins, and DevOps engineers who configure scheduled tasks and want to avoid silent mistakes from a misplaced asterisk or comma. It is completely free, requires no sign-up, and runs entirely in your browser, so the expressions you build and the schedules they reveal never leave your machine or touch a server.
No. The generator runs fully client-side in your browser, so the expressions you build and the descriptions they produce stay on your device and are never uploaded.
It uses the standard five-field format: minute, hour, day-of-month, month, and day-of-week, which is compatible with common Unix crontabs.
Yes. You can express specific values, comma-separated lists, ranges, and wildcards, and the English summary reflects exactly what you entered.
No, the tool is completely free with no sign-up, usage limits, or installation required.
Cron syntax is easy to misread, so the human-readable summary lets you verify the schedule means what you intended before deploying it.