Cron Expression Builder & Parser

Build a cron expression with weekday checkboxes, time pickers, and recurrence intervals — or switch to Parse mode to decode any expression into plain English.

:
On days
Cron
Minute*
Hour*
Day*
Month*
Weekday*
Plain-English Description
Configure the schedule above
Next 10 Run Times
  • Configure the schedule above
Minute*
Hour*
Day*
Month*
Weekday*
Plain-English Description
Enter a cron expression above
Next 10 Run Times
  • Enter a cron expression above
Field Reference
Minute
0 – 59
Hour
0 – 23
Day
1 – 31
Month
1 – 12
Weekday
0 – 7 (0,7=Sun)

Cron Expression Builder & Parser — Create and Decode Cron Expressions Online

This free cron expression builder lets you create any recurring job schedule without memorising cron syntax. Pick a recurrence — every N minutes, every N hours, daily, weekly, monthly, or yearly — then fine-tune the exact time with hour and minute dropdowns. For weekly schedules, toggle individual weekday chips to run on specific days (e.g. Monday, Wednesday, Friday). For monthly or yearly schedules, choose the day of month and month. The tool generates the five-field cron expression (* * * * *) instantly and copies it to your clipboard with one click.

Need to decode an existing expression instead? Switch to Parse mode and paste any cron expression to get a plain-English description and a preview of the next 10 run times. Cron expressions use five whitespace-separated fields — minute (0–59), hour (0–23), day of month (1–31), month (1–12), and day of week (0–7) — with support for wildcards (*), step values (*/n), ranges (n-m), and lists (n,m). Everything runs in your browser — no sign-up, no data sent to a server.