modifyCookie is a free and open-source Chrome extension designed for advanced cookie management. It allows users to create, edit, and delete cookies across all domains, making it a valuable tool for developers, testers, and privacy-conscious individuals. The extension supports importing and exporting cookies in various formats, including JSON, CSV, Netscape, and header string, providing flexibility in cookie management.

This lightweight extension, only 25KB in size, offers features such as tab-wise cookie viewing and editing, as well as search and filtering options for easy navigation. Users can quickly access the extension's popup window using the keyboard shortcut "Alt+C". With no tracking or ads, modifyCookie prioritizes user privacy while delivering a comprehensive cookie editing experience.