SiteBlocker — Block Distractions, Do Your Best Work

Designed to keep you in flow

Everything you need to eliminate distractions, packaged in a lightweight, premium tool.

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Website Blocking

Block distracting domains (reddit.com, twitter.com) completely, or configure mindful breath intervals before bypassing.

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Scheduled Blocking

Automate your focus rules. Enable blocking automatically during work hours or customized schedule windows.

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Password Protection

Enable Strict Mode with a 4-digit PIN lock to prevent yourself from easily deleting rules or disabling protection.

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Daily Statistics

Monitor your focus habits with direct analytics, detailing blocked attempts and total time saved per day.

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Lightweight & Fast

Built using native Manifest V3 declarativeNetRequest API, running at the browser level with zero performance overhead.

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Dark Mode & Themes

A premium Apple-like interface with curated dark themes (Indigo, Emerald, Rose, Amber) to match your work setup.

Zero clutter. Pure focus.

Interact with the real extension popup interface mockup below to see how it operates.

How It Works

Set it up in under a minute and build long-term focus habits.

Install the Extension

Add SiteBlocker to your Chrome browser from the web store with a single click.

Add Distracting Sites

Open the popup and enter domains you catch yourself visiting when you should be working.

Enter Flow State

Enjoy full focus. If you try to visit a blocked site, SiteBlocker redirects you or pauses for a mindful breath.

Frequently Asked Questions

Have questions? We've got answers.

How does SiteBlocker block websites?

It uses Chrome's native `declarativeNetRequest` engine. This is the fastest, safest, and most modern blocking standard supported in Manifest V3. It intercepts requests before they leave the browser, meaning zero delay or CPU lag.

What is Strict Mode?

Strict Mode allows you to lock the options page with a 4-digit PIN. This is perfect for preventing yourself from instantly going to settings and deleting a blocked domain in a moment of weak willpower.

What is Mindful Mode?

Instead of a hard block wall, Mindful Mode forces an 8-second breathing pause. After the countdown, it displays a button to let you continue. This short pause interrupts the habit loop, letting you decide if you truly need to access the site.

Is my data secure?

Absolutely. SiteBlocker runs entirely inside your browser. None of your browsing history, blocked lists, or stats are ever sent to external servers. Everything is stored locally in `chrome.storage.local`.

Block distractions.
Do your best work.