ruler
Simple tool for measuring arbitrary parts of a page. Does not and will never contain adware.
ruler is available to install from Firefox Browser Add-ons and for download from this page. It has 7,625 active users The latest version is 2.0.4resigned1, and it was published 22 days ago.
Install from Firefox Browser Add-onsTotal download count:
0
All available versions
You can find the current and older versions of ruler here. You can download the archived versions or inspect their source codes.
As a free user, you can only download the latest version.
Upgrade to download older versions
2
version available for download.
How to install ruler from an XPI file
- Simply drag-and-drop the XPI into Firefox to install the add-on.
How to install ruler from a ZIP file
- Download the ruler ZIP file
- In Firefox browser, go to
about:addons
to open Add-ons Manager - Click on , then select Install Add-on From File
- Select the ruler ZIP file from step 1. ruler is now installed on your browser.