Cron Parser
Explains cron expressions and previews upcoming run times. It is for checking schedules before adding them to jobs, alerts, or automations.
Runs in your browser. Input, settings, and results are not sent to Utilio servers.
Cron Parser
Local browser processing. Data stays on this device.
Looks valid
Cron: minutes */15, hours 9-17, days *, months *, weekdays 1-5.
The cron expression "*/15 9-17 * * 1-5" was parsed successfully, and the next 8 runs are shown.
What Cron Parser does
Use Cron Parser when you need to verify a cron expression before deploying a scheduled task.
When to use it
- Verify a cron expression before deploying a scheduled task.
- Show the next run times to catch off-by-one day or hour mistakes.
- Document a schedule in human-readable form.
How to use it
- Paste the cron expression.
- Read the parsed schedule and upcoming run list.
- Check timezone expectations in the system that will run it.
What to check
- Cron dialects differ between systems.
- Confirm whether your scheduler uses five fields, six fields, or custom syntax.
Data, formats, and limits
What stays on your device and what is sent
Runs in your browser. Input, settings, and results are not sent to Utilio servers.
Supported formats
This tool works with typed or generated values rather than uploaded files.
File limits and browser requirements
- Use an up-to-date browser and check the result on the device where you will use it.
Known limits
- This tool helps inspect or transform data, but it does not replace code review, security review, or production configuration checks.
- Do not paste real secrets, tokens, or private keys into data you are not prepared to expose in the browser.
Troubleshooting
- If validation fails, start with quotes, commas, brackets, whitespace, and input encoding.
- If the result is unexpectedly empty, check the tool mode and a minimal example without extra fields.
- Do not paste real tokens, passwords, or keys; use a test snippet with the same format for diagnosis.
Common questions
What does Utilio receive?
Runs in your browser. Input, settings, and results are not sent to Utilio servers.
What is it useful for?
Use it when you need to verify a cron expression before deploying a scheduled task. Start by pasting the cron expression.
Do I need an account?
No. You can use this tool without creating an account.
Can I use it on a phone?
Yes. The tool works in a mobile browser, though longer input or detailed results may be easier to review on a larger screen.
How do I get a reliable result?
Paste the cron expression. Then read the parsed schedule and upcoming run list. Cron dialects differ between systems.
Does Utilio use my input or results to train AI?
No. Utilio does not use files, pasted text, settings, generated values, or results from this tool to train AI models.