Extension Tracker

Responsive Simulator - Multi Device Viewport Tester

21 users No ratings yet Last updated 6 Sep 2026

By Agesilaus Holding LLC Live in the Chrome Web Store afhmbddcpcphjgjbaalihkmhjpjojbnd Search Google ↗ Last checked 17 Oct 2026, 20:42 UTC

The listing

What the Chrome Web Store shows, as of the last check

View your site on mobile, tablet & desktop viewports side by side. Fast responsive web design checker for developers.Summary from the listing
Developer
Agesilaus Holding LLC
Enhanced Safe Browsing
Trusted. What this means →
Category
Productivity › Developer Tools
First published
24 Jul 2026
Last updated
6 Sep 2026
Version
1.1.0
Size
236 KiB
Minimum Chrome
88
Languages
10 languages

Deutsch, English, español, français, polski, português (Brasil), português (Portugal), русский, 中文（中国）, 中文（台灣）

See Chrome Web Store page ↗ View its code or download CRX ↗
Users over time As shown on the Chrome Web Store
161820Tracking began 26 Sep 202626 Sep3 Oct10 Oct17 Oct2026-09-26: 16 users2026-10-17: 21 users21161820Tracking began26 Sep10 Oct2026-09-26: 16 users2026-10-17: 21 users21
New version One point per check. Source: the extension's public Chrome Web Store listing.
Show the numbers
CheckedUsersRatingRatings
2026-10-1721––
2026-09-2616––
Users, 7 days
No change
since a week ago
Users, 30 days
+5
+31.2%
Rank
#119,543
by users, of 292,125 extensions
In its category
#11,999
of 30,444 in Developer Tools

What changed

Every change found on a check, newest first

  1. Now declared a trader under EU law.

Developer history

Moves to another publisher account and new contact emails, newest first

No move to another account and no new contact email since tracking began on 26 Sep 2026.

We know contact emails only by a keyed hash, so they're never shown. Recent account and contact changes →

What it can access

From the extension's manifest, in plain language

Every websiteIt can read and change your data on all the sites you visit.
Sites
  • <all_urls>Every website
Sites where it runs scripts
  • <all_urls>Every website
Browser features
  • activeTabThe tab you're on, only after you click the extension
  • contextMenusAdd items to the right-click menu
  • declarativeNetRequestWithHostAccessBlock or change network requests on the sites it can reach
  • storageSave settings and data in your browser

More from this developer

Other extensions from the same publisher account

ExtensionUsersRatingRatingsCategory
DESIGN.md Inspector7,000 5.002 Developer Tools
Apify Stats by ParseBird1,000 5.001 Developer Tools
Gmail Button - Custom Buttons & QR Codes359 5.006 Communication
All 4 extensions by Agesilaus Holding LLC →

About this data

Collected from the extension's public Chrome Web Store listing. It's checked every month, and again whenever a new version appears. Last checked 17 Oct 2026, 20:42 UTC; next check around 17 Nov 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “Responsive Simulator - Multi Device Viewport Tester” (afhmbddcpcphjgjbaalihkmhjpjojbnd). Chrome Web Store data, last checked 2026-10-17. https://extensiontracker.com/extension/afhmbddcpcphjgjbaalihkmhjpjojbnd. Accessed 2026-11-13.
BibTeX
@misc{extensiontracker_afhmbddcpcphjgjbaalihkmhjpjojbnd,
  title   = {Responsive Simulator - Multi Device Viewport Tester (afhmbddcpcphjgjbaalihkmhjpjojbnd)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-10-17},
  url     = {https://extensiontracker.com/extension/afhmbddcpcphjgjbaalihkmhjpjojbnd},
  urldate = {2026-11-13}
}

The data is free to reuse under CC BY 4.0.

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