Crontab Analyzer & Load Heat-Map
Drop a crontab or YAML file to validate every schedule, see when your jobs pile up, and get staggered times — analyzed in your browser.
Help shape Crontab Analyzer & Load Heat-Map
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Frequently Asked Questions
The output of crontab -l, /etc/crontab-style files, Kubernetes CronJob manifests, GitHub Actions workflow files, AWS cron(…) and rate(…) rules, or simply one expression per line. CRON_TZ lines and spec.timeZone are honoured.
The analyzer computes every run over the next 24 hours and groups jobs that start at the same minute. For each group it suggests new minutes spaced a few minutes apart, as ready-to-copy crontab lines.
Yes. Analysis runs in a background Web Worker with progress, handles thousands of jobs, and the job list is virtualized so the page stays smooth. Files up to 5 MB are accepted.
No. The file is read and analyzed entirely inside your browser; nothing is sent to a server.