ScreenZen Chrome Extension? It Hides Feeds — Not a Pause (2026)

Why people look for a ScreenZen alternative on desktop

ScreenZen is strong on a phone; the gap opens when the distraction is in a desktop browser.

• Its Chrome extension does not block or pause: "ScreenZen: Minimal Social Media" (by SCREENZEN LLC) hides feeds, Shorts and recommendations on seven social sites — its own store listing says it does not block anything or pause before a site opens.
• Its Firefox add-on is not standalone: the listing says it "is a companion to the ScreenZen macOS application and cannot be used independently" (listing).
• Desktop support is app-shaped: the pause lives in ScreenZen's macOS and Windows apps (screenzen.co), and Linux is not listed; no standalone extension provides it.

Does ScreenZen work in Firefox?

Yes. ScreenZen has an official Firefox add-on called ScreenZen Blocker (v1.8, updated 2025-08-26, with about 1,161 daily users and a 4.6 rating as of Oct 25, 2026). However, it is not a standalone blocker.

Its listing on Firefox Add-ons states:

"ScreenZen macOS App Required … This Firefox extension is a companion to the ScreenZen macOS application and cannot be used independently. Download the ScreenZen app from the macOS App Store first, then install this extension to enable website blocking in Firefox." (listing)

The add-on requests the permission to "Exchange messages with programs other than Firefox." That is native messaging: it talks to the ScreenZen app on your Mac to receive its blocking rules and handle pauses. Requiring the macOS app is how the product is built, not a bug or a missing setting.

If you run Firefox on Windows or Linux, the listing names only the macOS application, and the official documentation does not say whether those systems are supported.

If you want a website pause in Firefox that runs entirely inside the browser, without a companion desktop app, see WhyFirst below.

Does ScreenZen have a Chrome extension?

Yes. ScreenZen has an official extension in the Chrome Web Store: "ScreenZen: Minimal Social Media", published by SCREENZEN LLC (v0.1.2, updated August 27, 2026, Chrome Web Store).

Its purpose differs from ScreenZen's phone and desktop apps. It is an element-hiding extension, similar to Unhook, designed to remove distraction feeds on seven specific websites: YouTube, Instagram, X (Twitter), TikTok, Facebook, LinkedIn and Reddit.

The developer's own description is explicit about the limits:

"It does not block anything, and it does not try to stop you. … If you want blocking, time limits or a pause before a site opens, the ScreenZen desktop app does that."

"It works in Chrome, on those seven sites, and nowhere else."

In Chrome's privacy section, the developer discloses that it will not collect or use your data.

So the choice is simple: to clean up social media feeds in Chrome without pausing visits, the extension does that cleanly; to get ScreenZen's pause-before-opening behavior inside Chrome, that capability stays in ScreenZen's desktop applications.

When searching the Chrome Web Store, verify the developer name is SCREENZEN LLC, as store searches also display similarly named extensions from unrelated developers.

How ScreenZen works on a computer today

On macOS and Windows, ScreenZen works as a native desktop application rather than a self-contained browser add-on (Mac App Store, Google Play). Its pattern is a pause before an app or site opens, asking whether the visit is important, with optional waiting delays or breathing prompts.

On macOS, ScreenZen requires macOS 13.0 or later. According to its Mac App Store release notes, the app covers a broad list of desktop browsers: Safari, Arc, Brave, Edge, Opera, Dia, Vivaldi, Orion, Comet and Atlas, with Firefox handled by the companion add-on above. In version 1.5, ScreenZen also added page-path rules on Mac ("Block entire sites but allow specific pages (facebook.com vs facebook.com/marketplace)").

On Windows, ScreenZen provides a native desktop application from its own site.

The practical difference on a desktop comes down to architecture. An OS-level application monitors applications and supported browser windows from the outside. A browser extension runs inside the browser process itself. If most of your distraction happens in a browser, an extension that only runs there is a lighter setup than an app watching the whole system.

A standalone ScreenZen alternative: WhyFirst

WhyFirst is an extension, not a desktop application. It sits in Chrome, Edge or Firefox, and before a site you have added opens, it displays an intentional check-in asking why you are opening it. You type a reason, spend one of the day's exceptions, or close the tab.

What that gives you on a desktop browser:

• No desktop app required. It installs directly from the browser's store (Firefox Add-ons, Chrome Web Store, or Edge Add-ons) and runs independently inside that browser. There is no helper daemon, no native messaging host, and nothing else to install on your computer.
• A purpose per site. You can define what each site is for in your own words. The pause is anchored to that specific purpose rather than a generic category.
• Path rules (Pro). You can pause a broad domain while letting work-related paths through, such as pausing youtube.com while allowing youtube.com/watch*.
• Optional AI judgment, off by default. When enabled, it evaluates whether your stated reason matches the site purpose you set, with the ability to allow, block, or ask one clarifying question. Free includes 30 AI judgments after account verification.
• A local record. Statistics and your typed reasons stay stored locally in the browser, showing you what you actually said when opening distracting sites.

Be clear about the difference in scope: ScreenZen can pause native apps on your phone and computer. WhyFirst only knows about the sites you added in a desktop browser, and it relies on soft friction — you can always take an exception or write an honest reason.

Using Firefox on Windows or Linux?

If you use Firefox as your primary browser on Windows or Linux, WhyFirst installs directly from Firefox Add-ons and runs entirely within the browser. Because it does not require a companion app or a background service, its behavior is the same on macOS, Windows and desktop Linux; Chrome and Firefox extensions from the official stores work normally on Linux desktops. ChromeOS has not been tested.

ScreenZen vs WhyFirst (as of Oct 25, 2026)

Use both: ScreenZen on your phone, WhyFirst in your browser

These two tools do not compete for the same surface. Each is strongest where the other cannot reach:

• ScreenZen on the phone, where it manages native apps and interrupts automatic phone pickups.
• WhyFirst in desktop Chrome, Edge or Firefox, covering websites you open between tasks.
• The same habit across devices: a site or app exists for a specific purpose, and opening it requires a moment to confirm that is why you are there.

Where ScreenZen wins — and where WhyFirst does

FAQ

Does ScreenZen work in Firefox?

Yes, there is an official "ScreenZen Blocker" add-on (v1.8, updated 2025-08-26), but it cannot be used on its own. Its store listing explicitly states that it "is a companion to the ScreenZen macOS application and cannot be used independently" (listing). It requires installing the ScreenZen app from the macOS App Store first.

Does ScreenZen have a Chrome extension?

Yes. ScreenZen publishes "ScreenZen: Minimal Social Media" (by SCREENZEN LLC, updated August 2026). However, it is an element-hiding extension rather than a website blocker or intent checker: its listing states that "It does not block anything, and it does not try to stop you." It hides feeds, Shorts, Reels and recommendations across seven social sites. If you want a pause before a site opens, ScreenZen's desktop or mobile apps provide that.

Can I use ScreenZen in Firefox on Windows or Linux?

ScreenZen's Firefox add-on listing only mentions the macOS application as a companion, and official documentation does not state whether Firefox on Windows or Linux is supported. If you want a standalone extension in Firefox on Windows, macOS or Linux without a companion desktop app, WhyFirst installs directly from Firefox Add-ons.

Can I use ScreenZen on Windows?

Yes. ScreenZen's website lists Windows alongside iOS, macOS and Android, so the Windows desktop application is the supported path there. There is no Windows-specific browser extension.

Is there a ScreenZen for Linux or Chromebook?

ScreenZen's site does not list Linux or ChromeOS among its supported platforms. WhyFirst is a browser extension, so it installs from the Chrome Web Store on desktop Chrome and from Firefox Add-ons — the browsers a Linux desktop usually runs. We have not tested ChromeOS ourselves, so treat that as unverified rather than supported.

Can I use ScreenZen and WhyFirst together?

Yes, and it is a sensible split: ScreenZen on your phone for app limits and mobile screen time, and WhyFirst in desktop Chrome, Edge or Firefox to check your intent before distracting websites open. They run on separate surfaces and do not interfere with each other.

Try WhyFirst

Keep ScreenZen on your phone. Add WhyFirst to your desktop browser — free.

Install WhyFirst free · Privacy policy

Last updated: Oct 25, 2026. ScreenZen facts were read from its site and store listings on that date. Related: Unhook not working?, LeechBlock alternative, all website blocker comparisons.

Correction (Oct 25, 2026): An earlier version of this article stated that ScreenZen had no official Chrome extension. ScreenZen published "ScreenZen: Minimal Social Media" to the Chrome Web Store, which hides social feeds rather than pausing or blocking sites; see the details above.

Spotted an error? Email support@whyfirst.app.