PageTuner is a Chrome add-on developed by pagetuner that provides on-site visual feedback for websites. With this tool, users can select any element on a webpage and make changes to its content, add comments, upload new images, and more. The ability to edit and modify website elements directly on the page is a valuable feature for web developers, designers, and anyone involved in website optimization.

One of the standout features of PageTuner is its export functionality. Users can export the changes made to a website in XLS or PDF formats, making it easy to document and share feedback with others. Additionally, PageTuner allows users to invite collaborators to their projects, enabling seamless collaboration and communication during website development or improvement processes.

Overall, PageTuner is a useful tool for providing on-site visual feedback for websites. Its intuitive interface and comprehensive features make it a valuable asset for web professionals looking to optimize and improve their websites.