Viewport resizing comes to the WordPress admin bar.

Scott Evans (Code For The People) 500+ active installations Tested with 4.2.31 Updated 7 years ago

Viewport Exchanger

There is plugin switching the viewport of PC view and Mobile view.

Hidetaka Okamoto 40+ active installations Tested with 4.0.0 Updated 7 years ago

Measure Viewport Size

Captures the viewport size of visitors' browser window and stores it as events in Google…

James Royal-Lawson Fewer than 10 active installations Tested with 3.6.1 Updated 8 years ago

WP Viewport

A debugging tool that adds a small badge in the corner of the site, showing…

William G. Rivera Fewer than 10 active installations Updated 9 years ago