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Cron Expression Generator

Build and understand cron expressions visually. See human-readable explanations and next run times.

No uploads • Client-side only • Your data stays on your device

Quick Presets

Use custom expression

Minute

Hour

Day (Month)

Month

Day (Week)

Cron Expression

* * * * *

Cron Syntax

┌───────── minute (0-59)
│ ┌─────── hour (0-23)
│ │ ┌───── day of month (1-31)
│ │ │ ┌─── month (1-12)
│ │ │ │ ┌─ day of week (0-6, Sun=0)
* * * * *

* = any, */5 = every 5, 1-5 = range, 1,3,5 = list

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All processing happens directly in your browser using JavaScript. Your files, passwords, and data never leave your device and are never uploaded to our servers. We cannot see, store, or access anything you process with this tool.

No account required • No tracking • No data collection • Works offline after initial load

Cron Expression Generator

Cron Expression Generator workspace

Cron Syntax

Your Privacy Guaranteed