Cron Expression Generator
Build and decode cron expressions visually. Describe your schedule in plain English and AI builds it.
0 0 * * *Common Presets
Next 5 Runs
Cron Syntax Cheat Sheet
| Symbol | Meaning | Example |
|---|---|---|
| * | Any value | * * * * * |
| , | List | 1,15 * * * * |
| - | Range | 1-5 (Mon-Fri) |
| */n | Every n | */15 * * * * |
About Cron Expression Generator
Create cron expressions with an intuitive visual editor or describe your schedule in plain English and let AI generate the expression. See next run times, use common presets, and learn cron syntax with the built-in cheat sheet. Supports standard 5-field cron format.
Frequently Asked Questions
What is a cron expression?▾
A cron expression is a string of 5 fields (minute, hour, day of month, month, day of week) that defines a schedule for running automated tasks. For example, '0 9 * * 1' means 'every Monday at 9:00 AM'.
How does the AI builder work?▾
Describe your schedule in plain English — like 'every weekday at 8am' or 'first Sunday of each month at midnight' — and AI generates the correct cron expression with an explanation.
What cron format is supported?▾
Standard 5-field cron format used by crontab on Linux/macOS, as well as most CI/CD platforms, cloud schedulers, and task runners.
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