Microsoft PowerToys is a collection of Windows utilities for productivity and customization, according to its repository description.
AltSnap
AltSnap continues Stefan Sundin’s AltDrag project, according to its repository description.

About AltSnap
AltSnap is a maintained continuation of Stefan Sundin's AltDrag, a Windows utility that lets you move and resize windows by holding the Alt key and clicking anywhere on the window, instead of aiming at a title bar or border. This drag behavior is common on Linux distributions.
The fork targets Windows NT 4 through Windows 11, though it is mostly tested on Windows XP and Windows 10. It removes the original Hooks windows feature, which had required injecting a DLL into every application; this version injects nothing into other applications, so a separate 32-bit and 64-bit build is not needed. The focus-on-typing feature was also dropped. Added options include transparent window dragging, a Maximize action, pause process options, and more blacklists, with some settings reachable only by editing the AltSnap.ini file. Documentation is available via the project wiki, but the original AltDrag documentation is noted as not fully accurate for this fork. The repository reports that VirusTotal sometimes flags builds, usually via SecureAge APEX, and states these are false positives.
Key features
- Move windows by holding Alt and clicking anywhere on the window
- Resize windows with the same Alt-drag behavior
- Transparent window dragging option
- Maximize action available as an added option
- Pause process options
- Additional blacklists for finer control of AltSnap
- Injects nothing into other applications, so 32-bit and 64-bit systems do not need separate versions
- Adds options over the original AltDrag, including transparent dragging, Maximize action, pause options and blacklists
- Fixes numerous bugs and undesired behaviors from the original AltDrag
- The Hooks windows feature was removed, so window snapping while dragging normally is not available
- The focus-on-typing feature was disabled
- VirusTotal alerts, usually from SecureAge APEX, are reported and described by the project as false positives
AltSnap at a glance
- Website
- github.com/RamonUnch/AltSnap
- Category
- Software & Utilities › System Utilities
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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AltSnap FAQ
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