The developer tools you reach for every day, all in one place.

Converters, formatters, hashes, validators, and the small utilities you keep reopening stay together instead of getting lost across tabs.

GitHub

/ Tools

■

/ Tool Finder

109 tools

/ Cron Expression Generator

Quick Presets

Minute

Hour

Day of Month

Month

Day of Week

Cron Expression

Human-Readable Description

Cron Format Reference

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

/ Selected Tool

Cron Expression Generator

Visual cron expression builder with presets and human-readable descriptions

■ 01

What is a Cron Expression?

A cron expression is a string representing a schedule for running tasks at specific times. It consists of five fields: minute, hour, day of month, month, and day of week. Cron expressions are widely used in Unix-like sy…

■ 02

How does it work?

Cron Fields Minute: 0-59 Hour: 0-23 Day of Month: 1-31 Month: 1-12 Day of Week: 0-6 (Sunday to Saturday) Special Characters * - Any value (every) */n - Every n units (e.g., */5 = every 5 minutes) n-m - Range (e.g., 1-5…

■ 03

Sample Cases

Covers Every day at midnight, Every Monday at 9 AM, and Every 15 minutes so you can compare common inputs and outputs quickly.

/ Code

■

/ Integration

Source code from the selected tool, shown here alongside the live version on the right.

/ Source Code

TypeScript

typescript

// Cron expression parser and descriptor

interface CronParts {
  minute: string;
  hour: string;
  dayOfMonth: string;
  month: string;
  dayOfWeek: string;
}