PageLiner is a free Google Chrome extension developed by pageliner.com. It offers a convenient way to create alignment guidelines on websites. With this extension, users can easily check the alignment of elements on a webpage, making it an invaluable tool for web designers and developers.

One of the standout features of PageLiner is its simplicity and ease of use. Once installed, users can simply activate the extension and start creating alignment guides with just a few clicks. The extension provides a range of customization options, allowing users to specify the color, thickness, and position of the guidelines.

Another useful feature is the ability to save and load alignment guides. This makes it easy to reuse guides across different websites or share them with colleagues. Additionally, PageLiner provides a grid overlay feature, which can be helpful for creating pixel-perfect designs.

Overall, PageLiner is a powerful and user-friendly extension that streamlines the process of checking alignment on websites. Whether you're a web designer, developer, or simply someone who wants to ensure their website looks visually appealing, PageLiner is a valuable tool to have in your arsenal.