Crontab Reference Online
The best cron decoder online. Translate crontab expressions into plain English and master the crontab syntax for Linux and Unix.
MinHourDomMonDow
Runs at every minute of every day.
1
Minute
0-59
2
Hour
0-23
3
Day (Month)
1-31
4
Month
1-12
5
Day (Week)
0-6
How to Use Crontab Reference
- 1Enter your 5-field cron expression into the primary input box.
- 2Directly below, observe the live 'Human Interpretation' generated in plain English.
- 3Use the 1-5 syntax guide to understand which field corresponds to minute, hour, day, etc.
- 4Click any of the common presets (like 'Midnight Daily') to see their specific syntax.
- 5Copy the validated cron expression for use in your crontab -e configuration.
Key Features
- Live Decoding: Instantly translates cryptic crontab strings into clear, human sentences.
- Visual Guide: Numbered breakdown of the 5 cron fields for quick syntax reference.
- Pro Presets: One-click access to the most common automated task schedules.
- Standard Compliance: Strictly adheres to the Linux/Unix crontab standard format.
- Edge Case Handling: Correctly interprets step increments (/), ranges (-), and lists (,).