Development
Cron Expression Generator — Build Cron Schedules the Easy Way
Set the schedule you want and get the exact cron expression, with a plain-English summary of when it runs.
What is Cron Expression Generator?
Cobain AI's Cron Expression Generator makes it easy to build correct cron schedules without remembering the five-field syntax. Choose how often you want a job to run — every minute, hourly, on specific weekdays, or a custom interval — and the tool produces the exact cron expression, plus a plain-English description so you can confirm it matches your intent. Then copy it straight into your crontab, scheduler, or CI config.
Key features
Visual schedule builder
Set minutes, hours, days, months, and weekdays, and the cron expression updates as you go.
Plain-English summary
See a readable description of exactly when the schedule will run before you use it.
Common presets
Quickly pick everyday schedules like hourly, daily, weekly, or every few minutes.
Standard cron syntax
Produces valid five-field cron expressions compatible with crontab and most schedulers.
Copy and paste
Grab the finished expression and drop it straight into your crontab, cron job, or CI config.
Avoid scheduling mistakes
Confirm the timing in plain language so a job never runs more or less often than you meant.
How it works
- 1
Set your schedule
Choose the minute, hour, day, month, and weekday, or start from a common preset.
- 2
Check the summary
Read the plain-English description to confirm the timing is what you want.
- 3
Copy the expression
Copy the generated cron expression into your crontab or scheduler.
Perfect for
Frequently asked questions
Is the cron expression generator free?
Yes. You can build cron expressions for free with a Cobain AI account.
What cron format does it produce?
Standard five-field cron expressions (minute, hour, day of month, month, day of week) compatible with crontab and most schedulers.
Does it explain when the schedule runs?
Yes. It shows a plain-English summary of exactly when the cron expression will trigger so you can confirm it.
Can I create complex schedules?
Yes. You can set specific minutes, hours, ranges, steps, weekdays, and months to build both simple and detailed schedules.
Do I need to know cron syntax?
No. You set the schedule visually and the tool writes the correct expression for you, then explains it in plain language.
Where can I use the generated expression?
In a Linux crontab, a cron job, a CI/CD pipeline, or any scheduler that accepts standard cron syntax.
Ready to try it?
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