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SizerRectangleWin
Free

Freeware from the author’s own site. No source repository is published, so it is treated…

 Free

Free and open source under the Apache 2.0 licence.

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
  • Keyboard shortcuts familiar to Rectangle and Spectacle users
  • Snaps windows to edges, halves and corners
  • Windows only, closed source, and maintained by one person
  • The current build is still labelled a preview (dev673, November 2025)
  • Windows 10 and 11 only
  • Deliberately minimal feature set compared with larger window managers
Downloadable app Downloadable app
Closed source Open source
License not stated License: Apache-2.0
No account needed No account needed
Works offline Works offline

Checked September 20, 2026

Checked October 2, 2026

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