# Alarm, Timer and Stopwatch

> A powerful alarm extension that supports timer and stopwatch with snooze

Canonical page: [https://chrome-stats.com/d/alarm-timer-and-stopwatch](https://chrome-stats.com/d/alarm-timer-and-stopwatch)

## Overview

- **ID:** `alarm-timer-and-stopwatch`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Brian
- **Category:** appearance,social-communication,alerts-updates
- **Daily users:** 167
- **Weekly downloads:** 5
- **Rating:** 3.14 / 5 (14 ratings)
- **Version:** 0.3.1
- **Last updated:** 2026-08-27
- **First published:** 2019-08-28
- **Size:** 743 KB
- **Data as of:** 2026-09-12
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/alarm-timer-and-stopwatch/)
- **Website:** [https://webextension.org/listing/alarm.html](https://webextension.org/listing/alarm.html)

## Description

Alarm, Timer and Stopwatch is a powerful Firefox add-on that allows you to manage your schedules effortlessly. It provides multiple alarm options, a stopwatch with unlimited laps, and a timer with pause and resume support. The extension uses built-in API for setting alarms, ensuring functionality even if the UI is hidden or the browser is restarted. With alarm sound snoozing and high-priority desktop notifications, you won't miss any alerts. Try Alarm, Timer and Stopwatch now!

## Rankings

- #9,075 — Overall
- #277 — Alerts & Updates
- #4 — alarm
- #19 — timer
- #71 — match
- #84 — airtime

## Permissions and access

### Permissions

- `storage`
- `alarms`
- `idle`
- `contextMenus`
- `offscreen`

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- This extension was recently updated in the past month. New updates may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/alarm-timer-and-stopwatch)