Cron Expression Parser
Parse standard 5‑field cron expressions (minute, hour, day of month, month, day of week) into easy‑to‑read English, and instantly see the next five execution times based on your current date and timezone. All processing stays inside your browser – no sign‑up, no server uploads, just fast developer debugging.
How to Use
- 11. Type or paste your cron expression into the input field.
- 22. Click the **Parse** button.
- 33. Read the plain‑English explanation and review the upcoming five runtimes.
Why use ShowPro's Cron Expression Parser?
Frequently Asked Questions
What cron format is supported?
Only standard 5‑field expressions: minute (0–59) hour (0–23) day-of-month (1–31) month (1–12) day-of-week (0–7, where 0 and 7 = Sunday). Non‑standard shortcuts like @yearly are not accepted.
Are the execution times shown in my local timezone?
Yes; the next runs are calculated using your browser’s current time and system timezone.
Will my expression work even if it contains lists, ranges, or steps?
Absolutely. The parser handles complex patterns like 1,3,5, 1-5, */15, and ranges. If the expression is completely invalid, a clear error message will guide you.
Is my data sent anywhere?
Never. Everything runs client‑side; no cron string or generated times leave your device.