Alarm, Timer and Stopwatch

Name: Alarm, Timer and Stopwatch
Rating: 3.1429 (14 reviews)
Author: Brian

By: Brian

A powerful alarm extension that supports timer and stopwatch with snooze

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Features & Capabilities

Preview: https://www.youtube.com/watch?v=Rd8l1-4hoNA

All in one extension to manage your schedules. You can define multiple alarms, use the stopwatch with as many "lap"s as required or simply use the timer with pause and resume support.

This extension uses the built-in API to set alarms hence the extension works even if the UI is hidden or your browser gets restarted. This extension offers alarm sound snoozing which snoozes the alarm sound 3 times with 5-minute delay.

The extension displays a high-priority desktop notification when either an alarm or a timer is fired, also it plays two different sounds to get the user-attention.

User Growth & Download Statistics

Add-on

By:

Brian

Daily users:

165 -7

Rating:

3.14

(14)

Version:

0.2.7.2 Last updated: 2022-12-12

Version code:

5497738

Creation date:

2019-08-28

Risk:

Permissions:

Size:

740.41KB

URLs:

Website

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-07-10

Compare stats and ranking:

Ranking

# 8,765 ▼ 183

Other rankings

#276 in Alerts & Updates ▼ 8

#4 in alarm keyword 16

#19 in timer keyword 33

#67 in match keyword 19

#79 in airtime keyword 1 ▲ 1

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Other platforms

Alarm, Timer and Stopwatch (v0.3.0)

60,000 4.40

(108)

Alarm, Timer and Stopwatch (v0.3.0)

8,799 4.80

(5)

For Developers

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Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:

Brian

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/alarm-timer-and-stopwatch/

Website:

https://webextension.org/listing/alarm.html

User Reviews

by 退出*****, 2025-04-06

by Dr*****, 2025-03-02

by 退出*****, 2025-02-22

View all user reviews ›

Is Alarm, Timer and Stopwatch Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Alarm, Timer and Stopwatch does not require any sensitive permissions.

Risk impact analysis details

Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

Alarm, Timer and Stopwatch has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
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