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Cron Expression Generator

A tool to visually generate cron expressions and check execution schedules.

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Key Features​

  • Visual Builder: Easily create cron expressions with dropdown menus
  • Presets: Frequently used schedule patterns provided
  • Plain English: Convert cron expressions to easy-to-understand sentences
  • 5 Fields: Set minute, hour, day, month, day of week
  • Copy Function: Copy generated expressions to clipboard

Cron Expression Format​

* * * * *
│ │ │ │ │
│ │ │ │ └─── Day of week (0-6, 0 is Sunday)
│ │ │ └───── Month (1-12)
│ │ └─────── Day (1-31)
│ └───────── Hour (0-23)
└─────────── Minute (0-59)

Preset Patterns​

  • Every Minute: Run every minute
  • Every Hour: Run at the top of every hour
  • Daily Midnight: Run at 0:00 every day
  • Daily Noon: Run at 12:00 every day
  • Weekly (Sunday): Run at 0:00 every Sunday
  • Weekly (Monday 9AM): Run at 9:00 AM every Monday
  • Monthly (1st): Run at 0:00 on the 1st of every month
  • Yearly (Jan 1st): Run at 0:00 on January 1st every year

Special Characters​

  • *: All values (every minute, every hour, etc.)
  • ,: Multiple values (e.g., 1,3,5)
  • -: Range (e.g., 1-5)
  • /: Interval (e.g., */5 means every 5 minutes)

Use Cases​

  1. Task Scheduling: Regular backups, report generation, etc.
  2. Automation: Data synchronization, cleanup tasks, etc.
  3. Monitoring: Periodic health checks, notifications, etc.
  4. Batch Jobs: Overnight batch processing, data processing, etc.

Privacy​

  • All processing is done in your browser
  • No data is sent to our servers
  • Your cron expressions remain completely private

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