Cron Expression Generator & Parser
Design automated job triggers visually or decode crontab schedules into plain text. Calculate next scheduled trigger run times client-side.
Runs every minute of every hour, every day of month, every day of week, in every month.
How to Use
- 1
Choose Mode
Select Cron Generator to build an expression, or Cron Parser to translate an existing one.
- 2
Configure Presets
Use simple interval buttons (Every Minute, Daily) to automatically fill inputs.
- 3
Customize details
Modify the dropdowns for minute, hour, and days to build advanced patterns.
- 4
Copy output
Click the Copy button to capture the finalized cron string instantly.
Frequently Asked Questions
What are the 5 parts of a cron expression?+
A standard cron expression contains five fields separated by spaces: Minute (0-59), Hour (0-23), Day of Month (1-31), Month (1-12), and Day of Week (0-6).
Are the next run predictions accurate?+
Yes. They are calculated dynamically using your local system time to show you the upcoming 5 dates that match your cron logic.
What does */15 mean in cron?+
The slash (/) denotes intervals. */15 in the minute field means 'every 15 minutes'.