Remove COOP Header from Google Lens is a free Chrome extension designed to enhance the functionality of Google Lens by addressing a specific issue related to the Cross-Origin-Opener-Policy header. This header can sometimes prevent users from accessing image results when searching for similar images through Google Lens, displaying an error message instead. This extension effectively removes the problematic header, allowing for a seamless experience when using links formatted for Google Lens.

The extension operates by modifying requests to the Google Lens site, ensuring that image searches are conducted without interruption. By eliminating the 'ERR_BLOCKED_BY_RESPONSE' error, users can access the image results they expect when clicking on links that direct them to Google Lens. Additionally, the latest update includes a feature to remove the header from google.com, accommodating changes in how Google image search operates.