PixelRuler

PixelRuler

  A lightweight screen measurement tool that lives in your system tray. Press Ctrl+~ to overlay precision crosshairs on your screen and measure anything in pixels.

  Features:

  - Measure distance, dimensions, aspect ratio, and angle between any two points
  - Drag endpoints to rotate and resize, drag the body to reposition
  - Shift-snap to 45° angles for perfect horizontals, verticals, and diagonals
  - Lock multiple rulers on screen for comparison
  - Set custom origin point anywhere on screen (middle-click)
  - Undo with backspace, clear all with Esc
  - DPI-aware for accurate measurements on high-res displays

  Controls:

  - Ctrl+~ — Toggle overlay
  - Click — Set start/end points
  - Drag — Adjust ruler position
  - Shift — Snap to 45° increments
  - Right-click — Lock ruler
  - Middle-click — Set origin
  - Shift+Middle — Reset origin
  - Backspace — Undo
  - Esc — Clear all

  Perfect for UI designers, developers, digital artists, or anyone who's ever squinted at their screen wondering "how many pixels is that?"

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PixelRuler v2 Roadmap:
  1. Hex color picker — Show color under cursor, C to copy
  2. Magnifier — M to toggle zoomed view at cursor
  3. Settings UI — S for color customization panel
  4. Export — Save overlay as transparent PNG + ruler measurements
  5. Key suppression — Block backspace/esc from leaking to other app
  6. Cartesian and absolute origin mode