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Checklist Alarm

A Chrome MV3 extension that displays popup alarm windows at scheduled times with external checklist links. Perfect for daily opening/closing routines and recurring task reminders.

Technologies

javascripthtmlmanifest v3css
welcome to checklist alarm

Features

  • Scheduled Alarms – Set alarms for specific times with customizable day-of-week rules.
  • 📋 External Checklists – Link directly to Google Forms, Notion, or any web-based checklist for easy task tracking.
  • 🔄 Cross-Device Sync – All settings automatically sync across Chrome devices using chrome.storage.sync.
  • 🔁 Auto-Repeat System – Alarms repeat every 5 minutes until completed (for up to 2 hours).
  • 🚨 Visual Urgency Escalation – Reminder colors change from blue to orange to red as urgency increases.
  • 🌙 Dark Theme – A clean, modern dark interface designed with accessibility in mind.
  • 📦 Batch Alarms – Multiple alarms set for the same minute are grouped into a single, organized view.
  • ⏱️ Snooze +5m – Quickly snooze all alarms for an additional five minutes.
  • 🔊 Custom Sounds – Choose from five built-in alarm tones available in MP3 or WAV format.
  • 🔒 Persistent Window – The alarm window stays on top and refocuses automatically until you take action.
  • Accessible – Fully supports screen readers, keyboard navigation, and large-text display modes.
  • Gallery

    Options page

    The Options page contains the Checklist alarm Settings.