PMeter VS A Ruler for Windows

PMeter is a very handy pixel meter.

Free on screen pixel ruler software for windows:The ruler easily measures objects on your screen.

Lightweight
PMeter is a small tool that does not consume a lot of system resources, making it efficient and fast.
Ease of Use
The user interface is straightforward and simple, making it easy for beginners to use.
Customization
Allows users to customize the rulers, making it versatile for different screen measurements.
Portability
The tool is portable and doesn't require installation, making it convenient to use on any system quickly.

Limited Functionality
As a specialized tool, PMeter offers limited features primarily focused on screen measurement only.
Lacks Advanced Features
Compared to more comprehensive design tools, PMeter lacks advanced features like screen capture or annotation.
Windows Only
PMeter is only available for Windows, which excludes users on other operating systems like macOS or Linux.

Accurate Measurements
A Ruler for Windows provides precise on-screen measurements, which are useful for graphic designers and developers who need exact dimensions for their projects.
Ease of Use
The tool is user-friendly, with a simple interface that makes it easy to measure items on the screen by dragging and aligning the ruler with visual objects.
Customizable Options
Users can customize the ruler's appearance, including changing its length, adding guide lines, and altering colors to suit individual preferences and needs.
Multiple Units
The software supports multiple units of measurement, such as pixels, inches, and centimeters, making it versatile for various tasks and requirements.
Portable Version
A Ruler for Windows offers a portable version that can be used without installation, making it convenient for use on multiple computers without requiring administrative rights.
Minimal System Resources
The application is lightweight and does not consume significant system resources, ensuring smooth performance even on older or less powerful hardware.

Limited to 2D Measurements
The tool is limited to two-dimensional measurements and doesn't support 3D measurements, which may limit its usefulness for some specialized tasks.
No Advanced Features
Compared to more comprehensive design tools, A Ruler for Windows lacks advanced features and functionalities, providing only basic measuring capabilities.
Windows Only
The application is only available for Windows operating systems, limiting its accessibility for users who work on macOS or Linux platforms.
Potential Overlap Issues
The ruler can overlap and interfere with visibility on certain application windows or complex designs, requiring careful handling to prevent hindrance during work.
Limited Support
Users may find support and documentation limited compared to larger software applications, potentially leading to difficulties in finding solutions to specific issues.