Edge is a simple on-screen ruler written using the Chrome packaged app platform.
Most users will want to install from the Chrome Web Store.
- Download this zip of Edge
- Unzip Ruler-master.zip
- On chrome://extensions click the "Enable Developer Mode" checkbox
- Click the "Load unpacked extension..." button and select the app subdirectory of Edge
- Run the app from the new tab page
- Andrew Stromme <andrew.stromme@gmail.com>