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Monitorizer
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Guides

Everything you need to watch your sites, servers and jobs

How Monitorizer works, which monitor to pick, and how to add each one step by step, on your Mac or on the website.

Getting started

Monitorizer is a Mac app. Checks run on your Mac; the account on this website shows your monitors anywhere and lets you change them from any browser.

  1. 1

    Install the Mac app

    Get Monitorizer from the Mac App Store and open it. It lives in the menu bar; turn on “Open at login” in Settings, General so checks keep running.

  2. 2

    Add your first monitors

    Click New Monitor (Cmd-N) and paste what you want to watch: an address, a status page, user@server, host:port or a crontab line. The type is detected for you, and you can paste several at once, one per line.

  3. 3

    Choose where alerts go

    macOS notifications work at once. In Settings, Channels, add Slack, Discord, Microsoft Teams, Telegram, ntfy, Pushover or a webhook.

  4. 4

    Sign in to an account (optional)

    In Settings, Account, sign in: your browser opens and asks you to approve this Mac. Your monitors and their history then appear on this website, and heartbeats become available.

  5. 5

    Manage from anywhere

    On the website, add, edit, pause or delete monitors. The Mac running them applies each change at its next sync, within about five minutes, with the same checks as its own editor.

Which monitor do I need?

Six types cover sites, servers, services you depend on and scheduled jobs. Each guide explains what is checked and every setting.

WebsiteStatus, speed, certificate, domain expiry, text that must or must not appear.For a site, a shop, an API or a health endpoint over http or https.Status pageThe status page of a service you rely on: hosting, payments, AI.For a provider you rely on: hosting, payments, email, AI. 17 popular ones are one click away.ServerDisk, memory, services, Docker, ports, updates and changed files, over SSH.For a Linux server or VPS you can reach with SSH.HeartbeatCron jobs, backups, scheduled tasks: alerted when one does not run on time or reports a failure.For backups, cron jobs and scheduled scripts that must run on time.PortAny TCP service: mail, database, custom app.For a service that is not a website: mail, database, game server, custom app.DNSA domain's records, with an alert when one changes.For a domain whose records must not change without you knowing.

Alerts

Alerts are sent by your Mac. These settings are in the Mac app, Settings, General and Channels.

No false alarms

“Confirm a problem” checks again after 30 seconds before alerting (or 1 or 2 minutes, or off), and “Alert after” waits for 1, 2 or 3 failed checks in a row.

Where alerts go

macOS notifications, Slack, Discord, Microsoft Teams, Telegram, ntfy, Pushover and webhooks. A “Recovered” message follows each alert.

Reminders and quiet hours

“Remind while down” repeats the alert while a problem lasts. Quiet hours (off by default, 22:00 to 7:00 when on) hold alerts at night; if the problem is still there when they end, you are alerted then.

Maintenance

In Settings, Maintenance, plan weekly windows for all monitors or one group: no alerts during the window, and it does not count against uptime.

Common questions

Does my Mac need to stay on?

Yes. Every check runs on your Mac, so it must be awake and online. If it stops syncing, the website shows a warning with the time of its last sync.

Do I need an account?

No. The Mac app works on its own. An account adds the website (your monitors and history from any browser, edits from anywhere) and is required for heartbeats.

Why does the website offer more check intervals than the Mac?

The website lists 30 seconds to 1 hour; the Mac editor shows the most common ones. Both are applied the same way, within the minimum allowed by your plan.

What never leaves my Mac?

SSH keys, channel addresses and tokens, server key fingerprints, page fingerprints and passwords in addresses. Only the monitor settings and results are synced.

What happens when my Mac has no internet?

Checks report “unknown” instead of down, so you are not flooded with alerts about your own connection.