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Screen Simulator — responsive tester

Chrome extension by AntunesWeb · Productivity · Tools

A Chrome extension in Productivity · Tools with 3 users, barely installed.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 1 screenshot

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
3 (the store no longer states an audience; this is the last figure it published)
Rating
not rated yet
Users, last 12 days
+3
Version
1.0.1
Updated in the store
2026-09-28
Published
2026-09-28
Manifest
V3
Browser access
2 permissions

How it has moved

Users
+3 since 29.09
0-3 · 3 readings
2026-09-29: appeared in the store
  1. 2026-09-290appeared in the store
  2. 2026-10-093
  3. 2026-10-103
Users
+3 since 29.09
0-3 · 3 readings
2026-09-29: appeared in the store
  1. 2026-09-290appeared in the store
  2. 2026-10-093
  3. 2026-10-103

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Block or redirect requests on the sites it can access declarativeNetRequestWithHostAccess
  • Run its own code on the pages it can access scripting

The full permission history for this extension

What changed recently

  1. Appeared in the store

The publisher

AntunesWeb publishes 3 listings we track, 124 users between them.

  1. Message to Whats AntunesWeb · Productivity · Workflow · published 2019-01-25 119 users ★ 4.5
  2. RedButtom AntunesWeb · published 2019-01-26 2 users (last published figure)

Like this one

Listings the catalog judges closest in what they say they do.

  1. Responsive Checker - Mobile Simulator Pro Describes nearly the same job, smaller audience 12 users
  2. Mobile Simulator - Responsive Test Describes nearly the same job, smaller audience 13 users
  3. Axoly Visualizador de Dispositivos Describes nearly the same job audience not published
  4. Mobile simulator - responsive testing tool Describes nearly the same job, with a large installed audience 1.0M users ★ 4.9
  5. Free Mobile Simulatore - Responsiveness testing Describes nearly the same job, smaller audience 148 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.