An MIT-licensed JavaScript and TypeScript library for parsing cron expressions and calculating execution dates.
FreeOpen source
7 alternativescron-job
Schedule recurring execution of websites and scripts with the free cron-job.org service.
About cron-job
cron-job.org is a free web service that runs scheduled HTTP requests against websites and scripts. Jobs can run as often as once per minute, up to 60 executions per hour, or as rarely as once a year, using pre-defined or custom schedules. Each job can specify the request method, headers and body data, and the console shows a preview of upcoming execution dates plus a history of past runs with response data and timing details.
Key features
- Schedule jobs from once per minute to once a year
- Up to 60 executions per hour
- Custom HTTP requests with configurable method, headers and body
- Execution preview, execution history and immediate test runs
- Failure or recovery notifications, optional SSL certificate expiry alerts
- REST API, status pages and embeddable status badges
Best for: Developers and site operators who need recurring HTTP calls or script triggers without running their own scheduler.
Good for
- Service is free and financed entirely by voluntary donations
- Job execution servers run on 100% CO2-neutral hydropower
- Described as operating for over 15 years, executing millions of cronjobs daily
Watch out for
- Execution is capped at 60 runs per hour, with a minimum interval of one minute
- Runs jobs as HTTP requests, so the target must be reachable by URL
- No service-level guarantees are described
cron-job at a glance
- Website
- cron-job.org
- Category
- Development › Web Development
- Type
- Online tool
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
cron-job alternatives
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cron-job FAQ
How often can a job run?
Frequencies range from once per minute up to once a year, with a maximum of 60 executions per hour.
How are job failures reported?
You can be notified when a job fails or starts working again, and notification channels include email and webhook destinations.
Can jobs be managed from my own scripts or applications?
Yes, a REST API allows managing cronjobs from scripts and applications.
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