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Bootstrap Viewport Checker

Chrome extension · Productivity · Developer

A Chrome extension in Productivity · Developer with 62 users, barely installed.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 1 screenshot

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

Users
62
Rating
5.0 (1 ratings)
Users, last 15 days
+2
Rating, last 30 days
Not watched long enough to say
Version
1.0
Updated in the store
2025-03-07
Published
2025-03-07
Manifest
V3
Browser access
1 permission, 1 site pattern

How it has moved

Users
+2 since 01.09
60-64 · 7 readings
  1. 2026-09-0160
  2. 2026-09-0362
  3. 2026-09-0563
  4. 2026-09-0762
  5. 2026-09-0964
  6. 2026-09-1063
  7. 2026-09-1562
Rating
unchanged since 01.09
reviewsrating 5.00 · 7 readings
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-03reviews1rating5.00
  3. 2026-09-05reviews1rating5.00
  4. 2026-09-07reviews1rating5.00
  5. 2026-09-09reviews1rating5.00
  6. 2026-09-10reviews1rating5.00
  7. 2026-09-15reviews1rating5.00
Users
+2 since 01.09
60-64 · 7 readings
  1. 2026-09-0160
  2. 2026-09-0362
  3. 2026-09-0563
  4. 2026-09-0762
  5. 2026-09-0964
  6. 2026-09-1063
  7. 2026-09-1562
Rating
unchanged since 01.09
reviewsrating 5.00 · 7 readings
  1. 2026-09-01reviews1rating5.00
  2. 2026-09-03reviews1rating5.00
  3. 2026-09-05reviews1rating5.00
  4. 2026-09-07reviews1rating5.00
  5. 2026-09-09reviews1rating5.00
  6. 2026-09-10reviews1rating5.00
  7. 2026-09-15reviews1rating5.00

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

Every site you visit. This extension can read and change the content of any page you open.

  • Act on the current tab, but only after you click it activeTab

The full permission history for this extension

What changed recently

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

Like this one

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

  1. Viewport Size Describes nearly the same job, smaller audience 70 users
  2. Tailwind Viewport Sizer Describes nearly the same job, smaller audience 672 users ★ 4.3
  3. ViewportSmith Describes nearly the same job, smaller audience 9 users
  4. Peeky - Viewport Size Tool Describes nearly the same job, smaller audience 17 users
  5. Viewport Wiggler Describes nearly the same job, smaller audience 19 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.