NATIVE WINDOWS UTILITY

Three answers. One tiny Windows tool.

Find what flashed past, who locked a file, and which Windows UI is under the pointer.

Download Peek.exe Release notes

UPCOMING ON Product Hunt

Windows 10/11 · x64 · Portable · No account · No telemetry

Peek Ghost showing recent process events

REAL WORKFLOW

The answer is one hotkey away.

THREE FOCUSED TOOLS

Only what you need, when you need it.

Ghost

What just flashed past?

Keeps the latest short-lived process and top-level window events in memory, including lifetime, path, command line, and parent process when Windows makes them available.

Ctrl + Shift + G

Unlock

Who is using this file?

Drop a file or choose one. Peek uses Windows Restart Manager to identify likely owners and lets you reveal the executable or end the process after confirmation.

Focus

What Windows UI is under the pointer?

Highlight a window or control and read its HWND, process, class, title, rectangle, and available UI Automation properties.

Ctrl + Shift + F

SMALL BY DESIGN

Native, offline, and understandable.

Single EXERun it directly. No installer or separate runtime.
No networkNo account, cloud sync, online database, or telemetry.
Native Win32C++20 and Windows system APIs. No Electron or WebView.
Open sourceMIT licensed, with source and build instructions on GitHub.

Keep the answer one action away.

Download the portable Windows x64 release.

Download