PixelStick
PixelStick is a professional measuring tool for macOS that works as a virtual on-screen ruler, allowing users to measure distances, angles, and capture color values anywhere on the screen. Unlike measurement tools built into specific applications like Photoshop, PixelStick functions universally across all open windows and applications. It includes features such as a magnifying loupe for pixel-perfect precision, an eyedropper tool that copies colors in multiple formats (CSS, RGB, hex), support for scaling in mapping and design applications, and works across multiple monitors. The app is used by designers, developers, cartographers, researchers, and other professionals who need precise on-screen measurements.
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1 suggestionPixelStick has been discontinued and is no longer supported by the developer. According to RoaringApps, the app was flagged as end-of-life and no longer receives updates from Plum Amazing Software. While the search results note that an earlier version of PixelStick does include a universal binary and runs natively on Apple Silicon Macs, development has ceased and there is no clear indication of ongoing support or updates. Given that active development has stopped, the app will not receive further maintenance once Apple removes Rosetta 2 in macOS 28 (September 2028). If you rely on on-screen measurement tools, consider migrating to a maintained alternative such as ColorSync Utility (free, built into macOS for color work), Ruler (a lightweight third-party ruler app available on the Mac App Store), or integrating with design software like Affinity Designer or Affinity Photo, which have built-in measurement and color tools. Designers and developers who need precise on-screen measurement should evaluate their needs and plan to transition before the macOS 28 deadline.
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