Cron Expression Generator & Parser
Generate and decode crontab schedule expressions visually. Real-time human language descriptions and quick presets.
100% Client-Side Privacy (No Upload)
Crontab Expression
Human Readable Meaning:
“Every 15 minutes of every hour.”
*/15
Minute (0-59)
*
Hour (0-23)
*
Day of Month (1-31)
*
Month (1-12)
*
Day of Week (0-7)
Common Quick Presets
How to Use Cron Expression Generator
- 1Enter a 5-part cron expression (e.g. */15 * * * *) or select a common preset.
- 2Read the instant human-readable English and Chinese translation below.
- 3Copy the validated cron expression directly into your crontab or scheduler.
Key Features
- Real-time natural human language translation for complex schedule rules.
- Interactive 5-field breakdown (Minute, Hour, Day, Month, Weekday).
- Common quick presets (every 5 min, daily at midnight, weekly, monthly).
Frequently Asked Questions (FAQ)
A standard cron expression consists of 5 fields: Minute (0-59), Hour (0-23), Day of Month (1-31), Month (1-12), and Day of Week (0-7).
Related Developer Tools
Time & Date
Unix Timestamp Converter
Convert Unix epoch timestamps (seconds & milliseconds) to human readable dates UTC and Local.
Try Tool
Developer Tools
Regex Tester & Debugger
Test JavaScript regular expressions online with live match highlights and capture groups.
Try Tool
Developer Tools
SQL Query Formatter & Beautifier
Format and beautify unformatted SQL queries with standard indentation & keyword casing.
Try Tool