Better Ruler от paul

> 一款支持吸附页面元素的网页测量工具。

- 点击插件图标即可开始测量，再次点击将退出测量。
- 移动鼠标的同时按住`Alt`键，可实时显示当前鼠标所在位置的元素的大小。
- 移动鼠标的同时按住`Alt`键，如果在吸附范围内(距离元素边界50px内，距离顶点15px内，具体数值可在底部工具栏自定义)可自动吸附。
- 按下`f`键，快速显示和隐藏底部工具栏。
- 按住`shift`键，切换显示和隐藏尺寸和关闭按钮。

如果快捷键无效，请点击页面空白处再尝试。


> A web measurement tool that snaps around web elements for easier measurement.

- Click on the plugin icon to start the measurement. Click again to exit the measurement.
- Hold down the `Alt` key while moving the mouse to display the size of the element at the current mouse position in real time.
- Hold down the `Alt` key while moving the mouse, if it is within the adsorption range (within 50px from the element boundary, within 15px from the vertex), it can be automatically adsorbed.
- Press the `f` key to quickly show and hide the bottom toolbar.
- Hold down the `shift` key to quickly show and hide the size and close button.

If the shortcut does not work, please click on the blank area on the page and try again.