X11 Window Tree Inspector

By Nguyen Van Thanh

View on Snapcraft.io
Version1.0.0
Revision1
Size70.1 MB
LicenseMIT
Confinementstrict
Basecore22

Live X11 XQueryTree hierarchy, EWMH atom, and window attribute inspector

ScreenshotScreenshotScreenshot

Inspired by classic X11 window tree and attribute inspector utilities.
Independent open-source Linux tool, not affiliated with any third-party vendor.

FEATURES
• Crosshair Window Picker & Live XQueryTree Hierarchy: click any X11 or
XWayland window with an interactive crosshair cursor or browse the full
parent-child XQueryTree hierarchy with instant XID, WMCLASS, and PID filters.
• EWMH Atom & Property Decoder: enumerate attached X11 atoms via
XListProperties and inspect WM
CLASS, NETWMPID, NETWMSTATE,
NETFRAMEEXTENTS, WMPROTOCOLS, and WMNORMALHINTS values in real time.
• Live XClientMessageEvent & Geometry Controller: apply move_resize bounds,
toggle above, shaded, sticky, fullscreen, or maximized states, adjust window
opacity, activate windows, and export JSON or CSV inspection snapshots.
• Bilingual UI: starts in English by default with instant Vietnamese toggle.

SUPPORT & DONATE
• Created by Thanh Nguyen — https://buymeacoffee.com/thanhnv128b

Update History

1.0.0 (1)
14 Nov 2026, 07:30 UTC

Published14 Nov 2026, 07:12 UTC

Last updated14 Nov 2026, 07:10 UTC

First seen14 Nov 2026, 07:30 UTC