Cron Expression Parser

Understand any cron schedule in plain English — see when it runs next.

Don't know cron syntax? Build it visually →
Minute
Hour
Day (month)
Month
Day (week)
Schedule
Field Breakdown
Next 10 Runs

    How to Use Cron Expression Parser

    ① Enter a cron expression ② Read the plain English explanation ③ View the next 10 scheduled runs

    About Cron Expression Parser

    Cron Expression Parser is a free online tool that translates cron expressions into plain English descriptions and shows the next 10 scheduled execution times. Paste any cron schedule and instantly understand when it runs. Cron expressions are the standard way to define scheduled tasks on Unix/Linux systems, CI/CD pipelines, and cloud services. The five-field format (minute, hour, day of month, month, day of week) is powerful but cryptic — even experienced developers often need to double-check complex schedules. This tool eliminates guesswork by converting any cron expression into a human-readable description. It also calculates and displays the next 10 execution times, so you can verify the schedule matches your intentions before deploying. Everything runs entirely in your browser. Your cron expressions are never sent to any server. There are no usage limits and no account required. Common use cases include verifying cron schedules before deployment, understanding inherited crontab entries, debugging scheduling issues, documenting automated tasks, and learning cron syntax through instant feedback.

    Frequently Asked Questions

    What cron format does it support?
    Standard 5-field cron format: minute, hour, day of month, month, day of week. Extended formats with seconds are also supported.
    Does it show when the cron will run next?
    Yes. It displays the next 10 scheduled execution times based on the current date and time.
    Is my cron expression sent to a server?
    No. All parsing happens in your browser.
    Can it handle special characters like */5?
    Yes. It supports all standard cron syntax including ranges, lists, steps, and special characters.
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