# Free tools

> Small tools for people on call. Free, no account, nothing leaves your browser.

URL: https://pagerless.dev/tools
Updated: 2026-10-22

- [On-call schedule maker](https://pagerless.dev/tools/on-call-schedule): Make a fair weekly on-call rotation with backups.
- [Uptime and SLA calculator](https://pagerless.dev/tools/uptime-calculator): Allowed downtime for any availability percentage.
- [Postmortem template generator](https://pagerless.dev/tools/postmortem-template): Generate a blameless postmortem in Markdown.
- [Cron to check-in helper](https://pagerless.dev/tools/cron-check-in): Convert cron, AWS cron() and rate() to check-in code.