cron-visualizer

Translations: English 日本語 (Japanese)

This is an application for visualizing cron expressions.
You can enter any cron expression and visually check when it will execute on a weekly calendar.

Features

• Input and visualization of cron expressions
• Switching between JST and UTC time formats
• Display of cron execution times on a weekly calendar
• Instant Apply mode for real-time visualization as you type
• Dark mode support with system preference detection

How to Use

• Enter any cron expression into the cron expression input field. For example, * * * * * means execute every minute.
• Switch between JST and UTC time formats. The default is JST.
• Click the "Visualize" button to execute the visualization of the cron expression.
• Toggle "Instant Apply" mode to automatically visualize changes as you type (with debouncing for performance).
• The execution times of the cron expression will be displayed on the calendar. The spots marked with a red circle are the execution times.

Technology Stack

• React
• TypeScript
• moment-timezone
• cron-parser
• Recharts

Screenshots

Light Mode

Dark Mode