Skip to content
QKQuickKit日本語
LinuxLOCALRuns in your browser

Cron Expression Generator

Build a crontab line from a preset schedule or a custom expression, then confirm what it means by parsing it and listing its next run times.

This tool handles input and primary processing in your browser and is designed not to send the input to QuickKit’s server.

How it works

Choose a preset schedule or type a custom five-field expression; the generated line is immediately parsed with the same dialect as the Cron Expression Parser tool, so the two can never disagree about what a line means. A step like */7 does not mean "every 7 minutes from now" — it means every minute value divisible by 7, which creates a short gap at the top of the hour; this tool flags that explicitly. This is syntax only: it does not check the command, the minimal PATH cron uses, the user's environment, or whether the job runs a login shell (it does not).

This is syntax only. It does not check the command, the minimal PATH the cron daemon uses, the user's environment variables, or whether the job would succeed. Cron does not run a login shell.