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Build and read cron schedules. Live plain-English explanation, the next 5 run times, field presets, and one-click copy. Cron Helper answers the two questions every cron expression raises: what does this mean, and when will it actually run. Type or build an expression and it is explained in plain language as you type, with the next five run times computed in your own local time zone. Each of the five fields has its own input and a row of quick presets, so you can assemble a schedule without memorising the syntax. Key features: - Plain-English explanation, live as you edit any cron field - Next 5 run times, computed in your own local time zone - Build each field visually, with one-tap value presets - Six one-tap presets: every minute, hourly, daily, weekly, monthly, weekdays 9am - Full syntax support: ranges 1-5, lists 1,3,5, steps */15, JAN-DEC and SUN-SAT - Precise errors that name the offending field and its valid range Everything is parsed and scheduled locally in your browser. No expression ever leaves your device, and the extension makes no network requests.
Jul 25, 2026
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