Paste a cron expression and read it in plain English with its next runs in any time zone, daylight-saving gaps included. Lint a whole crontab, then convert the schedule for Quartz, AWS EventBridge, Kubernetes, GitHub Actions, Jenkins H, systemd timers, iCalendar, launchd or Windows Task Scheduler — each conversion checked against the original run by run.
What this kit does that a general converter doesn't.
Thirteen cron dialects modelled rule by rule, including the day-of-month OR day-of-week trap that differs between Linux and Kubernetes.
Pick a tool
Grouped the way cronkit.org groups them. Every link opens the tool on its own site.
Explain / Test
Build / Generate
Platforms
Convert
Reference
Reading, not tools
Format explainers and sample files published on cronkit.org.
- Cron Every Minute
- Cron Every 5 Minutes
- Cron Every 10 Minutes
- Cron Every 15 Minutes
- Cron Every 30 Minutes
- Cron Every Hour
- Cron Every 2 Hours
- Cron Every 6 Hours
- Cron Every Day at Midnight
- Cron Every Weekday
- Cron Every Monday
- Cron Every Month
Next door
.json JSON
99 tools
Format, validate, repair and convert JSON — plus JSON Schema and type generation.
url URLs and links
85 tools
Encode, decode, parse, build and audit URLs, UTMs, QR codes and headers.
.toml TOML
36 tools
Format, validate and convert TOML — pyproject.toml, Cargo.toml, wrangler.toml.