Translate crontab schedule expressions into plain English descriptions.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Type or paste a 5-field cron expression like */15 0-6 * * 1-5.
Click any quick preset to load common interval examples.
Review the instant plain English explanation and individual field breakdown.
It supports standard 5-field UNIX crontabs: minute, hour, day of month, month, day of week.
Yes, step values (*/N), ranges (N-M), and comma lists (A,B,C) are fully explained.
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