Libre Cron Expression Builder

Build, validate, and explain cron expressions for scheduled tasks. Live plain-English description, next-5-runs preview, and common pattern presets.

Runs in your browserNo sign-up, no pop-upsNon é necesario iniciar sesiónLibre para sempre
minute
(0-59)
hour
(0-23)
day
(1-31)
month
(1-12)
weekday
(0-6)

In plain English

At 09:00 on Mon, Tue, Wed, Thu, Fri.

Next 5 scheduled runs (your local time)
  • Thu, May 2809:00
  • Fri, May 2909:00
  • Mon, Jun 109:00
  • Tue, Jun 209:00
  • Wed, Jun 309:00

Common patterns

Compatible with standard Unix cron, GitHub Actions, Kubernetes CronJob, and most scheduling systems. Use * for “every”, */5 for “every 5”, 1-5 for ranges, 1,15 for specific values.

Optimize for your platform

Como funciona

1
Entra
Introduce o teu texto ou datos.
2
Proceso
Procesado ao instante no teu navegador. Sen servidor, sen espera.
3
Descargar
Garda o teu resultado. Non se almacena nada.

Por que usar o noso?

Completely free — no hidden costs, ever
No account, email, or login required
Runs entirely in your browser — no uploads
Works on any device — phone, tablet, desktop
Open and ad-supported, with no tracking
Loads fast, with no installation needed

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