# Serene: Website Blocker & Productivity Timer

> Block distracting websites and get more done with Serene, a productivity browser extension for laser focus.

Canonical page: [https://chrome-stats.com/d/serene-extension](https://chrome-stats.com/d/serene-extension)

## Overview

- **ID:** `serene-extension`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** SereneApp.com
- **Category:** other
- **Daily users:** 28
- **Rating:** 2.75 / 5 (4 ratings)
- **Version:** 3.0.1
- **Last updated:** 2020-07-02
- **First published:** 2019-05-30
- **Size:** 15 MB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/serene-extension/)
- **Website:** [https://sereneapp.com/](https://sereneapp.com/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/serene-extension/privacy/](https://addons.mozilla.org/firefox/addon/serene-extension/privacy/)

## Description

Serene: Website Blocker & Productivity Timer is a browser extension that helps you block distracting websites and stay focused on your goals. It offers a timer for focused work sessions, replaces new tab page with a distraction-free screen, and integrates with the Serene MacOS app for additional features like shutting down distracting apps and logging distractions.

## Rankings

- #20,907 — Overall
- #14 — productivity
- #41 — product
- #67 — activity
- #75 — timer
- #94 — website blocker

## Permissions and access

### Permissions

- `tabs`
- `http://*/*`
- `https://*/*`
- `nativeMessaging`
- `storage`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension support email may not be valid

> 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/serene-extension)