PixelStick

PixelStick is a tool for measuring distances, angles, and colors on the screen. PhotoShop has distance, angle and color tools but they only work in PhotoShop. PixelStick works in any app and anywhere on screen anytime and costs a hundred times less.

• Its easy, simple and fast. PixelStick is a measuring tool you can pinch and stretch to measure anything on your screen. Use the eyedropper to copy colors in 4 formats (CSS, RGB, RGB hex, HTML) to the clipboard for use in any app.
• Its like an onscreen virtual ruler that you can use vertically, horizontally, and at any angle to measure distances, angles, and much more just by dragging.
• Supports the scaling in Google Maps, Yahoo Maps, and Photoshop. Also has Customized (user settable) scaling options.

Most of what PixelStick does is obvious. Drag the endpoints to change the measurement. Click the locks to constrain the movement. Launch it, play around, no more limitations to just one app in measuring distance, angle, and color.

Note: With PixelStick 2.12, it now recommends that its default scale uses the coordinates directly reported by macOS. Previously it scaled those coordinates by a screen-dependent "backing scale" (typically 2x for Retina screens). However the "backing scale" does not correspond to physical pixels because macOS supports a variety of scaling options via Displays Preferences, none of which change the backing scale reported by macOS to apps. For compatibility with previous versions' saved coordinates, PixelStick will continue to apply that scaling until you open PixelStick's preferences and select "Use macOS coordinates".

• [New] Reworked the loupe code so that the magnified screen images are much crisper and do not include magnified copies of PixelStick's endpoints and guides.
• [Fix] Prevent the situation on some systems where the cursor appeared in the endpoint and colour picker loupes (and thus was magnified and prevented colour selection).
• [Fix] Remove the red frame from accessibility element screen grabs.
• [Fix] Prevent PixelStick from reporting the screen width as double the number of pixels macOS reports. (This is precisely the problem of previous versions of PixelStick using a Retina screen's backing scale.)
• [Fix] Corrected the measurements PixelStick reports when moving PixelStick from a Retina screen to a non-Retina screen.
• [Fix] Redraw and, if necessary, adjust PixelStick's endpoints when the display's scale is changed via Displays Preferences.
• the display's scale is changed via Displays Preferences.
• [Fix] Reduce duplication of some internal calculations, improving consistency between unscaled and scaled measurements.