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Calculate Distance Between Two Points
AvatarAnwarul Islam
1,859 Installs

Ruler Extension User Guide

The simple Ruler extension allows you to measure distances on your screen by drawing lines between two points and displaying the distance between them. This user guide provides instructions on how to use the Ruler Extension effectively.

Table of Contents


The Ruler Extension is a simple utility that helps you measure distances on your screen. It provides a ruler overlay and a magnifier feature to assist in accurate measurements.

Using the Ruler Extension

Measuring Distance

  1. Launch the Ruler Extension.
  2. A ruler overlay will appear on your screen.
  3. Click anywhere on the screen to select the starting point of your measurement.
  4. Move the cursor to the desired endpoint and click again to finalize the measurement.
  5. The distance between the two points will be displayed in pixels.
  6. Press the Esc key to exit the Ruler Extension.

Using the Shift Key

Holding the Shift Key helps you accurately position the starting and endpoint of your measurements.

  1. To activate that, hold the Shift key while selecting the starting or endpoint.
  2. Release the Shift key to deactivate the magnifier.


If you encounter any issues while using the Ruler Extension, try the following troubleshooting steps:

  1. Ensure that the Ruler Extension is up to date. Check for any available updates and install them if necessary.
  2. If the app is unresponsive or not working as expected, quit the app and relaunch it.
  3. If the issue persists, contact the app support team for further assistance.

Feedback and Support

We value your feedback and are dedicated to providing a seamless user experience. If you have any suggestions, feedback, or need assistance with the Ruler Extension, please reach out to us at our Slack channel or open an issue on GitHub. We are here to help!

Thank you for choosing the Ruler Extension. We hope it simplifies your screen measurements and enhances your productivity!