# Add Countdown Timer to Page

> Addon thêm đồng hồ đếm ngược vào trang web.

Canonical page: [https://chrome-stats.com/d/add-countdown-timer-to-page](https://chrome-stats.com/d/add-countdown-timer-to-page)

## Overview

- **ID:** `add-countdown-timer-to-page`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** mmoosocial
- **Category:** web-development,search-tools,photos-music-videos
- **Version:** 1.0
- **Last updated:** 2025-09-28
- **First published:** 2025-09-25
- **Size:** 9.57 KB
- **Data as of:** 2026-09-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/add-countdown-timer-to-page/)

## Rankings

- #142,053 — Overall

## Permissions and access

### Permissions

- `activeTab`

## Safety

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

### Analysis details

- This extension has low user count. Unpopular extensions 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).

## Similar extensions and apps

- [Countdown Timer](https://chrome-stats.com/d/countdown-timer1221)
- [Tab Countdown Closer](https://chrome-stats.com/d/tab-countdown-closer) — 2 users
- [Simple Countdown Timer1](https://chrome-stats.com/d/simple-countdown-timer1)
- [Display Custom Notification](https://chrome-stats.com/d/display-custom-notification)
- [vetri 2026 Countdown](https://chrome-stats.com/d/vetri-2026-countdown) — 5.00 / 5
- [Show Notification](https://chrome-stats.com/d/show-notification)
- [Song Timer](https://chrome-stats.com/d/song-timer)
- [Link Hover Preview12](https://chrome-stats.com/d/link-hover-preview12)
- [Time Chime for Web](https://chrome-stats.com/d/time-chime-for-web) — 2 users
- [Speech Timer](https://chrome-stats.com/d/speech-timer) — 1 users
- [Quick No1tes Overlay](https://chrome-stats.com/d/quick-no1tes-overlay)
- [ok365](https://chrome-stats.com/d/ok365)

---

Source: [Chrome-Stats](https://chrome-stats.com/d/add-countdown-timer-to-page)