Viewport Resizer

by Adam Ruf · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Resize your browser window so the viewport is exactly the pixel dimensions you specify.

Users

+2 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#125K

#104K among extensions

Version

0.0.4

updated 23 Apr 2026

Users

monthly, 6 months

Latest, 16 Oct 2026: 34 usersMove the mouse over the chart for any month

Ratings count

monthly, 6 months

Latest, 16 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Viewport Resizer

Viewport Resizer lets you set your browser window to exact pixel dimensions with one click — no calculator needed. Type any width and height, pick from built-in presets (Responsive, Tailwind breakpoints, Social & Store sizes), or save your own custom sizes for reuse. The panel floats over any page and stays out of your way. Useful for: • Designers and developers checking layouts at specific breakpoints • Taking screenshots at exact dimensions for the Chrome Web Store, social media, or client deliverables • Testing responsive designs without DevTools Works on any http/https page. Light and dark themes included.