Cron Expression Builder

Build cron expressions visually with an intuitive interface. Select schedules from presets or customize each field with dropdowns.

7,500 AI Tokens Used

Feb 2, 2026 Created

developerproductivity

Quick Presets

Build Expression

Minute

Hour

Day of Month

Month

Day of Week

Cron Expression

* * * * *

Runs:Every minute

Cron Format Reference

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

*Any value

5Specific value

1-5Range

*/15Step values

1,15List of values

How This Tool Was Built

This tool was created entirely by AI. Here's the exact prompt used to generate it:

Prompt Used

Create a Cron Expression Builder tool with these features:

1. Quick preset buttons for common schedules
2. Five field editors: minute, hour, day of month, month, day of week
3. Each field has:
   - Dropdown with common values
   - Custom input option
4. Generated cron expression display
5. Human-readable description of the schedule
6. Copy expression button
7. Format reference showing cron syntax
8. Syntax guide explaining *, ranges, steps, lists
9. Reset button

Make it developer-friendly with purple as the accent color.

Claude AI Model

7,500 Tokens Used

100%