Cron Expression Parser
Enter a cron expression to see its human-readable description and upcoming run times.
Parse and validate cron expressions with human-readable descriptions and upcoming run times. Debug scheduled tasks for CI/CD pipelines and cron jobs.
Cron Expression Parser
Enter a cron expression to see its human-readable description and upcoming run times.
About this tool
Parse and validate cron expressions with human-readable descriptions and upcoming run times. Debug scheduled tasks for CI/CD pipelines and cron jobs.
Minute
Hour
Day of Month
Month
Day of Week
Use single input
Enable seconds
FAQ
Common questions and answers about this topic.
What is a cron expression?
A cron expression is a string of five or six fields representing a schedule — minute, hour, day of month, month, and day of week. Used in Unix-like systems and CI/CD pipelines to schedule recurring tasks.
What cron format is supported?
Standard 5-field cron expressions. Some tools also support a 6th field for seconds.
Can I see when the next runs will occur?
Yes, the parser shows upcoming execution times based on your cron expression.
Is my data sent to any server?
No, cron expression parsing runs entirely in your browser. Your schedule expressions are interpreted locally with JavaScript and never sent to any server.