CronwrightInstant build, parse, preview

Cronwright turns cron expressions into something you can actually read. Build a schedule visually, or paste one you found in a script, and instantly see a plain-English explanation plus the exact next run times — no docs, no guessing, no server round-trip.

Whether you're writing a crontab entry, a Kubernetes CronJob, a Quartz trigger in Jenkins, or an AWS EventBridge rule, Cronwright speaks your dialect. Every calculation happens right on your device, so nothing you type ever leaves your phone.

WHAT MAKES CRONWRIGHT DIFFERENT

• Visual builder. Build standard 5-field cron expressions visually, or paste any expression for an instant plain-English explanation and the next 5 run times.
• Multi-dialect support (Pro). Speaks Quartz (seconds + year) and AWS EventBridge, in addition to standard cron.
• Unlimited run preview (Pro). See unlimited upcoming run times, not just the first 5.
• Fully offline. Every calculation happens on-device — no account, no ads, no analytics.
• One-tap copy and a saved library. Copy the generated expression with one tap and save schedules to your library.

PRICING

Cronwright is free, offline, with no account, no ads, and no analytics. The free version includes the visual builder for standard cron expressions, instant explanations with the next 5 run times, one-tap copy, and up to 3 saved schedules. Cronwright Pro is a one-time purchase (no subscription) that unlocks the Quartz and AWS EventBridge dialects, unlimited next-run previews, unlimited saved schedules, and batch validation of a whole file of expressions at once.

FEEDBACK

Made by a small indie team. Email obeliskclubclub@gmail.com with feedback, bug reports, or feature requests.

Terms of Use (EULA): https://obelisk.club/cronexpressionbuilder/terms