onul.works

Cron Generator

Use a visual cron generator and cron expression builder to create repeat schedules you can copy.

⌘ Runs in browser ◴ No data stored ⌁ Free
Cron expression

How to use

  1. 1 Open the minute, hour, day, month, and weekday tabs to set the schedule.
  2. 2 Choose every value, a step interval, or specific values as needed.
  3. 3 Check the cron expression and readable description at the top.
  4. 4 Copy the finished expression when it matches your schedule.

Common use cases

  • Cron expression generator output
  • Cron builder for server jobs
  • Weekday business-hour cron rules
  • Monthly jobs on selected dates or weekdays

Frequently asked questions

What can I build with this cron expression generator?

You can combine minute, hour, day, month, and weekday options using every value (*), step intervals (*/n), and specific value lists (x,y,z) into a standard 5-field Cron expression.

Can I copy the generated expression?

Yes. The result area updates as you change options, and the copy button sends the current Cron expression to your clipboard.

Will the expression work the same in every scheduler?

This tool generates standard 5-field expressions with minute, hour, day, month, and weekday fields, without seconds or year fields. Before applying one, check the field order and supported range for your crontab, CI, or hosting scheduler.

Related workflow

Cron GeneratorStart by defining the repeat schedule that the task should follow. → Diff ViewerAfter adjusting an expression or config text, compare what changed. → Keycode InfoWhen adding shortcuts to the schedule UI, check the actual key values.