What is a cron expression parser?

It takes a cron expression like '0 9 * * 1-5' and explains it in plain English — for example 'at 09:00, from Monday to Friday'. It also shows the next scheduled run times.

What syntax does this tool support?

Standard 5-field cron syntax: minute (0—59), hour (0—23), day-of-month (1—31), month (1—12), day-of-week (0—6, Sunday=0). Supports *, */n, ranges (a-b), and lists (a,b,c).

How many next runs does it show?

It calculates and displays the next 8 scheduled execution times from your current local time.

Does it support @yearly, @monthly shortcuts?

This tool focuses on standard 5-field cron syntax. Use the quick examples for the most common schedules.

Yes, fully free and runs entirely in your browser — no data is sent to any server.

What does '*/15 9-17 * * 1-5' mean?

'*/15 9-17 * * 1-5' runs every 15 minutes between 9 AM and 5 PM, Monday through Friday. The * / 15 means every 15 minutes, 9-17 means hours 9 through 17, and 1-5 means weekdays Monday to Friday.

What are @hourly and @daily shorthand schedules?

@hourly = '0 * * * *' (every hour at minute 0), @daily = '0 0 * * *' (midnight every day), @weekly = '0 0 * * 0' (midnight every Sunday), @monthly = '0 0 1 * *' (midnight on the 1st of each month).

Cron Expression Parser — Decode Cron Syntax to Plain English Free

Decode any cron expression into plain English. See a full field breakdown and the next 8 scheduled run times. Free cron parser online.

Cron expression:

Fields: minute · hour · day-of-month · month · day-of-week

Quick examples:

Meaning:

at 9:00, on from Monday to Friday

Field breakdown

Minute00

Hour99

Day of month*every day

Month*every month

Day of week1-5from Monday to Friday

Next 8 scheduled runs:

1.6/18/2026, 9:00:00 AM
2.6/19/2026, 9:00:00 AM
3.6/22/2026, 9:00:00 AM
4.6/23/2026, 9:00:00 AM
5.6/24/2026, 9:00:00 AM
6.6/25/2026, 9:00:00 AM
7.6/26/2026, 9:00:00 AM
8.6/29/2026, 9:00:00 AM

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What is Cron Expression Parser — Decode Cron Expressions Free Online?

A cron expression parser takes any cron expression and explains it in plain English — showing what each field means, a human-readable description of the schedule, and the next several scheduled run times. This is invaluable when reviewing inherited cron jobs, debugging unexpected schedules, or learning cron syntax for the first time.

How to Use Cron Expression Parser — Decode Cron Expressions Free Online

1Paste or type a cron expression (e.g., '*/15 9-17 * * 1-5').
2View the plain English description instantly.
3Review the field-by-field breakdown showing what each position means.
4Check the next 8 scheduled run times to confirm the schedule is correct.
5Copy the description for documentation purposes.

Key Features

Instant plain English translation of any cron expression
Field-by-field breakdown (minute, hour, day, month, weekday)
Next 8 scheduled run times
Supports special characters: *, /, -, ,
Supports common predefined schedules: @hourly, @daily, @weekly

Benefits

Understand complex cron expressions without manual calculation
Verify existing cron jobs run on the expected schedule
Document cron schedules with human-readable descriptions
Debug schedule issues in CI/CD pipelines and task runners

Why Use Irreva for Cron Expression Parser — Decode Cron Expressions Free Online?

Understand complex cron expressions without manual calculation

Verify existing cron jobs run on the expected schedule

Document cron schedules with human-readable descriptions

Runs 100% in your browser — files never leave your device.

No account, no sign-up, no subscription — free forever.

Works on any device: desktop, tablet, or mobile.

Frequently Asked Questions

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