Cron Expression Parser
Parse cron expressions into plain English and preview the next 5 execution times. Built-in presets. Useful for crontab, CI, and scheduled tasks.
All processing happens locally in your browser — nothing is uploaded
Cron 表达式
字段含义: 分 时 日 月 周 (5 段标准格式)。
通配 * 任意, /n 步进, a-b 范围, a,b 列表。
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