: The software is resource-light and can be run without installation, making it easy to carry on a USB drive and use on multiple computers. How to Use

: Choose from four default "skins"—wood grain, stainless steel, plastic see-through, and yellow construction—or create and download your own custom looks.

: 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.

: 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.

: Drag the ruler anywhere on the screen with your mouse or move it one pixel at a time using your arrow keys.

: Accurately measure screen objects in pixels, making it ideal for web design and digital product layout.

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