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Rocket Viewport

Chrome extension by Hansen Xtensions · Productivity · Developer

A Chrome extension in Productivity · Developer with 4 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 3 screenshots

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

Users
4
Rating
not rated yet
Users, last 18 days
unchanged
Version
1.0.0
Updated in the store
2026-06-16
Published
2026-06-16
Manifest
V3
Browser access
5 permissions

How it has moved

Users
unchanged since 31.08
3-5 · 10 readings
  1. 2026-08-314
  2. 2026-09-025
  3. 2026-09-044
  4. 2026-09-055
  5. 2026-09-074
  6. 2026-09-095
  7. 2026-09-104
  8. 2026-09-133
  9. 2026-09-155
  10. 2026-09-174
Users
unchanged since 31.08
3-5 · 10 readings
  1. 2026-08-314
  2. 2026-09-025
  3. 2026-09-044
  4. 2026-09-055
  5. 2026-09-074
  6. 2026-09-095
  7. 2026-09-104
  8. 2026-09-133
  9. 2026-09-155
  10. 2026-09-174

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.

  • See the address and title of every tab you have open tabs
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
Show the remaining 2
  • Store data in your browser storage
  • Declares windows

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

Hansen Xtensions publishes 3 listings we track, 122 users between them.

  1. TextSnap Hansen Xtensions · Productivity · Tools · published 2026-03-24 111 users ★ 5.0
  2. SnapArea Hansen Xtensions · Productivity · Tools · published 2026-03-31 7 users

Like this one

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

  1. Responsive Preview Describes nearly the same job, smaller audience 41 users
  2. ViewPortify – Mobile Simulator & Responsive Design Testing Tool for Chrome Describes nearly the same job, smaller audience 44 users
  3. ViewPortX - Responsive Testing Workspace Describes nearly the same job, smaller audience 7 users
  4. Responsive Viewer by Pixellize Describes nearly the same job, smaller audience 39 users
  5. Responsive Tester — Mobile View by BugCapture Describes nearly the same job, smaller audience 6 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.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

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.