# FocusOS

> FocusOS is the ultimate productivity suite for your browser. Eliminate distractions, master your time with built-in Pomodoro timers, enforce custom daily site limits, and maintain flow state with ambient background audio and deep habit analytics.

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

## Overview

- **ID:** `focusos`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Aditya Singh
- **Category:** alerts-updates,tabs
- **Daily users:** 1
- **Rating:** 5.00 / 5 (3 ratings)
- **Version:** 2.0.0
- **Last updated:** 2026-06-26
- **First published:** 2026-01-18
- **Size:** 230 KB
- **Data as of:** 2026-09-15
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/focusos/)
- **Website:** [https://focusoss.vercel.app](https://focusoss.vercel.app/)

## Description

<strong>Stop procrastination in its tracks. Master your digital habits.</strong>

FocusOS combines powerful website blocking, customizable time tracking, and ambient flow-state audio into one beautifully designed, privacy-first browser operating system. Whether you are studying, coding, or working remotely, FocusOS gives you the discipline engineering needed to eliminate digital distractions.

<ul><li><strong>🛡 Smart Daily Limits &amp; Blocking</strong>: Set strict daily time allocations for distracting websites. Once your limit is reached, FocusOS automatically blocks access so you stay on schedule.</li><li><strong>⏱ Integrated Pomodoro Timer</strong>: Seamlessly cycle between deep work and rest intervals. The timer automatically synchronizes with your website blocking rules.</li><li><strong>📊 Deep Habit Analytics</strong>: Understand exactly where your time goes. Visualize your daily web activity, productivity trends, and Focus Score (0–100) with real-time interactive charts.</li><li><strong>🎧 Lofi Flow State Player</strong>: Induce and maintain deep concentration with an integrated ambient background music player designed specifically for focus.</li><li><strong>📂 Site Categorization &amp; Whitelisting</strong>: Easily sort domains into productive, distracting, or neutral categories. Enable Whitelist Mode to ensure critical work tools are never restricted.</li><li><strong>🔒 100% Local &amp; Privacy-First</strong>: Your browsing history is your business. All activity tracking and analytics calculations happen strictly locally on your device. We never collect or transmit your personal data.</li></ul>

## Rankings

- #72,623 — Overall
- #82 — procrastine

## Permissions and access

### Permissions

- `tabs`
- `storage`
- `unlimitedStorage`
- `idle`
- `alarms`
- `webNavigation`
- `notifications`

### Host permissions

- `<all_urls>`

## Safety

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

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- [Stay Focused: Pomodoro Timer](https://chrome-stats.com/d/stay-focused-pomodoro-timer) — 254 users, 5.00 / 5
- [FocusSpark: Smart Focus Sessions](https://chrome-stats.com/d/focusspark-smart-focus-session) — 2 users, 5.00 / 5
- [Focus Time - Productivity Blocker](https://chrome-stats.com/d/focus-time-productivity)
- [ZFocus – Pomodoro & Focus Zones](https://chrome-stats.com/d/zfocus-pomodoro-focus-zones)

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Source: [Chrome-Stats](https://chrome-stats.com/d/focusos)