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Embeddable Widget
No backend
Iframe

Embeddable Cron Explainer Widget

Add Cron Explainer to internal documentation, admin panels, runbook pages, and developer portals with a simple iframe. The widget validates and explains cron expressions client-side, so no cron expression is sent to a backend.

Open widget preview

Embed code

<iframe
  src="https://www.cronexplainer.com/embed/cron-explainer?dialect=unix&expression=*/5%20*%20*%20*%20*&timezone=UTC"
  title="Cron Explainer"
  width="100%"
  height="520"
  style="border:0;border-radius:16px;overflow:hidden;"
  loading="lazy"
></iframe>

Supported parameters

dialect

unix, aws, quartz, or kubernetes. Defaults to unix.

expression

Initial cron expression to load. URL-encode spaces as %20.

timezone

IANA timezone used for next run previews. Defaults to UTC.

Best places to use it

  • Runbooks that ask engineers to update or verify scheduled jobs.
  • Admin panels where users configure recurring exports, syncs, backups, or reports.
  • Internal platform docs for Kubernetes CronJobs, EventBridge rules, or Quartz triggers.
  • Developer education pages that need an interactive cron syntax helper.

Privacy behavior

The widget runs in the browser and uses the same frontend cron engine as the main tool. It does not require accounts, backend storage, or a database. If you embed it on your site, your page remains responsible for its own privacy and cookie notices.

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