Dual Preview: Mobile View & Responsive Tester
Chrome extension by Kamil Łukasiewicz · Productivity · Tools
- Established publisher
A Chrome extension in Productivity · Tools with 431 users, barely installed. Audience over the last 30 days: +101.
Every site you visit. This extension can read and change the content of any page you open.
What the developer says, and 5 screenshots
Loading from the Chrome Web Store. Open the listing if it does not appear.
- Users
- 431
- Users, last 30 days
- +101
- Rating, last 30 days
- Steady over 30 days
- Version
- 1.1.17
- Updated in the store
- 2026-09-03
- Published
- 2026-07-03
- Manifest
- V3
- Browser access
- 9 permissions, 1 site pattern
How it has moved
- 2026-10-04350
- 2026-10-08362
- 2026-10-10368
- 2026-10-11372
- 2026-10-13383
- 2026-10-16396
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- 2026-10-28412
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- 2026-11-01431
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- 2026-09-01242
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- 2026-09-21317
- 2026-09-25326
- 2026-09-26328
- 2026-09-28330
- 2026-10-04350
- 2026-10-08362
- 2026-10-10368
- 2026-10-11372
- 2026-10-13383
- 2026-10-16396
- 2026-10-18402
- 2026-10-19403
- 2026-10-21397
- 2026-10-22405
- 2026-10-23409
- 2026-10-24411
- 2026-10-25408
- 2026-10-28412
- 2026-10-29419
- 2026-11-01431
- 2026-09-01reviews20
- 2026-09-02reviews20
- 2026-09-04reviews20
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- 2026-10-04reviews21
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- 2026-10-10reviews21
- 2026-10-11reviews21
- 2026-10-13reviews21
- 2026-10-16reviews21
- 2026-10-18reviews21
- 2026-10-19reviews21
- 2026-10-21reviews21
- 2026-10-22reviews21
- 2026-10-23reviews21
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- 2026-10-25reviews21
- 2026-10-28reviews21
- 2026-10-29reviews21
- 2026-11-01reviews21
A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.
What it can reach
Every site you visit. This extension can read and change the content of any page you open.
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Clear your browsing data
browsingData -
Read and change cookies on the sites it can access
cookies -
Attach to pages the way developer tools do
debugger
Show the remaining 6
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Read and change your browsing history
history -
Watch the network requests your browser makes
webRequest -
Block or redirect requests by rules it declares in advance
declarativeNetRequest -
Block or redirect requests on the sites it can access
declarativeNetRequestWithHostAccess -
Store data in your browser
storage -
Store data in your browser without the usual size limit
unlimitedStorage
Version history
- Version 1.1.17
What changed recently
- Package size changed
- Released version 1.1.17 (was 1.1.16)
The publisher
Kamil Łukasiewicz. Listed website: dualpreview.com.
Like this one
Listings the catalog judges closest in what they say they do.
-
Mobile View Extension - View website as mobile 3k users
-
Mobile Mockup Previewer & Responsive Tester 6 users
-
Mobile Preview Dev 125 users
-
Responsive Viewer by Pixellize 43 users
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Free Mobile Simulatore - Responsiveness testing 144 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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Verify that you are its author and you can show this mark on the card, with live banners for your site and README. How verification works
Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.
Add a badge to your README or site
The badge shows the audience and rating from our last pass over the store and links back to this page.
[](https://extops.dev/extensions/jigiifbbidjbimnhgpidbhohdbdeoebi)<a href="https://extops.dev/extensions/jigiifbbidjbimnhgpidbhohdbdeoebi"><img src="https://extops.dev/extensions/jigiifbbidjbimnhgpidbhohdbdeoebi/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-01. We publish no contact details for extension developers.