Pixel ruler 'Ruler' which can measure the length of everything in the screen easily and without installation and easy to install
![](https://i.gzn.jp/img/2019/02/02/ruler-screen-measure/00_m.png)
When creating a website by yourself, there are many things such as "there is a difference between the width of the banner and the width of the body, or there is a difference in the size of the letter and the size of the icon, and it looks somewhat irrelevant" . " Ruler " is a tool that can measure the length in pixel units by displaying a ruler on the PC screen, which is free and easy to use without installing.
GitHub - andrijac / ruler: Simple on - screen pixel ruler.
https://github.com/andrijac/ruler
First, download Ruler. Go to softpedia's Ruler page and click "DOWNLOAD NOW".
![](https://i.gzn.jp/img/2019/02/02/ruler-screen-measure/1465_m.png)
Click "Softpedia Secure Download (US)".
![](https://i.gzn.jp/img/2019/02/02/ruler-screen-measure/1466_m.png)
Click "OK" to start downloading.
![](https://i.gzn.jp/img/2019/02/02/ruler-screen-measure/1467_m.png)
Extract the downloaded file using " Explzh " etc ... ...
![](https://i.gzn.jp/img/2019/02/02/ruler-screen-measure/1469_m.png)
Launch "Ruler.exe" in the generated folder.
![](https://i.gzn.jp/img/2019/02/02/ruler-screen-measure/1470_m.png)
Then a ruler appeared on the screen. This ruler is Ruler and you can measure the length of everything in the screen in pixels by using it just like an ordinary ruler.
![](https://i.gzn.jp/img/2019/02/02/ruler-screen-measure/1473_m.png)
Ruler can change the vertical and horizontal lengths of Ruler itself by dragging the upper, lower, left and right edges.
![](https://i.gzn.jp/img/2019/02/02/ruler-screen-measure/1475_m.png)
You can also change the size of Ruler by entering the length directly. Right click and select "Set size ...".
![](https://i.gzn.jp/img/2019/02/02/ruler-screen-measure/1479_m.png)
Enter the number of pixels in "Width (Horizontal Length)" and "Heigh (Vertical Length)" and click "OK", you can change the vertical and horizontal length of Ruler to the input number.
![](https://i.gzn.jp/img/2019/02/02/ruler-screen-measure/1480_m.png)
Right click and click "Vertical" ......
![](https://i.gzn.jp/img/2019/02/02/ruler-screen-measure/1477_m.png)
Ruler can be portrait oriented. It is also possible to measure the vertical length.
![](https://i.gzn.jp/img/2019/02/02/ruler-screen-measure/1478_m.png)
Right click and select "Duplicate" ... ...
![](https://i.gzn.jp/img/2019/02/02/ruler-screen-measure/1488_m.png)
The selected Ruler is duplicated.
![](https://i.gzn.jp/img/2019/02/02/ruler-screen-measure/1481_m.png)
By using these functions and using Ruler successfully you can check the length of everything on the desktop.
![](https://i.gzn.jp/img/2019/02/02/ruler-screen-measure/1485_m.png)
After using Ruler, you can exit Ruler by right-clicking "Exit".
![](https://i.gzn.jp/img/2019/02/02/ruler-screen-measure/1486_m.png)
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