WindowSizer by Dr. Cheap

Quickly resize the window to one of your favorite sizes

4 (40 reviews)

1,413 Users

You’ll need Firefox to use this extension

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About this extension

Define custom presets and switch between them via toolbar menu and/or hotkeys.

Features include:

Make presets with custom width, height, name
Switch window size via toolbar popup menu
Switch window size via customizable shortcut key
Edit existing presets
Change order of existing presets
Quick-fill preset values based on current window size
Backup & restore settings
Firefox Sync support for backups
Light & dark theme icons

Developer comments

Please report issues & request features via GitHub -- use the Support Site link.

Rated 4 by 40 reviewers

Release notes for 1.5.3

v1.5.3
Address issue where sometimes clicking toolbar icon did nothing

v1.5.0
Added Quick Resize feature
Added an Update option for backups
Fixed button spacing in presets area
Improved performance of size indicator in popup