is a highly popular, free on-screen pixel ruler and reading guide designed to help designers, developers, and researchers measure anything on their desktop with precision. Originally released as freeware, it has recently become open source , with its code available for the community to explore and contribute to. Key Features
: Use 'S' to activate the reading guide, 'M' to draw a midpoint line, and 'C' to clear current measurements. Where to Download A Ruler for Windows (Windows) - Download A Ruler For Windows Free Download
: Seamlessly switch between a ruler mode for measuring and a reading guide mode that acts as a narrow bar to help you track lines of text in long emails or spreadsheets. is a highly popular, free on-screen pixel ruler
: Accurately measure screen objects in pixels, making it ideal for web design and digital product layout. Where to Download A Ruler for Windows (Windows)
: Choose from four default "skins"—wood grain, stainless steel, plastic see-through, and yellow construction—or create and download your own custom looks.
: Toggle between horizontal and vertical views by clicking control boxes at the ruler's edge or using keyboard shortcuts like the slash (/) key.
: Features include a built-in screen magnifier for pixel-perfect accuracy, the ability to set "ticks" for automatic measuring lines, and options to mark midpoints or golden ratios.