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Sizer vs PowerToys: catalog facts
Sizer	PowerToys
Free Freeware from the author’s own site. No source repository is published, so it is treated…	Free Free and open source under the MIT licence, published by Microsoft.
Windows	Windows
Exact pixel sizes and positions from the window’s own right-click menu Any Sizer action, including the menu itself, can be bound to a hotkey; Ctrl+Win+Z by default	Over thirty utilities in one installer, each of which can be enabled or disabled FancyZones window layouts and Keyboard Manager remapping cover two of the biggest gaps in Windows
Windows only, closed source, and maintained by one person The current build is still labelled a preview (dev673, November 2025)	Windows only, and some utilities need Windows 11 Running everything at once adds background processes and memory use
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 20, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.