🔒 100% Client-Side — No API Needed

Cron Expression Builder

Name: AI Cron Expression Builder (Free)
Author: Glenn Guilloux

Describe a schedule and get the cron expression with a human-readable preview and the next 5 run times. Everything runs in your browser.

Describe Schedule

Quick examples:

Weekdays 9am Every 15 min Sun midnight 1st @ 6pm

…or build manually

Minute

Hour

Day of month

Month

Day of week (0-6, Sun=0)

Result

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