Cron Expression Tool
Check a cron expression, read a plain-language breakdown of each field, and see the next few run times.
Your cron expression
Paste a 5-field expression (minute hour day month weekday). Times are calculated in UTC.
Nothing explained yet
Paste a cron expression above, then press “Explain”.
Standard 5-field cron, calculated in UTC. If both day-of-month and day-of-week are set, a time matches when either one matches (Vixie cron behaviour).
Runs entirely in your browser. Nothing is uploaded.
How it works
This utility runs locally in your browser for privacy and speed.
1 ⚡
Unlimited local toolsThis run costs 1 credit(s) and is saved to your history automatically.
Log in to save and view your usage history.
My usage history
No runs recorded yet.
Frequently asked questions
- Do I get free credits to try Cron Expression Tool?
- Yes — new accounts get 3 free credits to spend on any tool, Cron Expression Tool included. After that you only pay for what you run.
- How many credits does Cron Expression Tool cost?
- Everything runs in your browser and nothing is uploaded: free accounts pay 1 credit per run, and Pro or Pro+ members run it as often as they like.
- Is the content I paste private?
- Cron Expression Tool uses your input only to generate the result. Stored results are deleted automatically by our retention policy, and you can remove any run from your history.
- Do I need to install anything?
- No. Cron Expression Tool works in any modern browser — nothing to download or install.
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