WizzyTools

Parse a cron expression and see its next run times

Works offline · never uploaded 0 uses

Paste a 5-field cron expression to get a plain-English summary and the next 5 run times, in your browser.

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How it works

  1. 1

    Paste the string, expression, or value you want to inspect.

  2. 2

    It's parsed instantly and broken down on screen.

  3. 3

    Review the details or matches highlighted for you.

  4. 4

    Copy any part of the result you need.

Why use this tool

Every dev utility, one place

Format, convert, encode, decode, and generate — no more juggling ten tabs.

100% private, always

Every tool runs in your browser — your code and data are never sent anywhere.

Works on any device

Runs on Windows, Mac, Linux, iOS, and Android — nothing to install.

Instant results

No queues, no build step — results update as you type.

Built to handle real data

Full Unicode support and RFC-compliant parsing, edge cases included.

Free, always

Free to use, with no rate limits, sign-up, or trial period.

Frequently asked questions

It strictly targets the standard Unix 5-field format (minute, hour, day, month, weekday).

Yes, common string macros like @hourly, @daily, and @weekly are automatically translated into their numeric equivalents.

The tool lists the next five upcoming execution times for easy verification.

The predictions are based entirely on your local system time, assuming the server running the job matches your clock.

Yes, three-letter abbreviations for days and months are fully supported.

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