Copyfish is a free OCR (Optical Character Recognition) software designed to extract text from various media formats, including images, videos, and PDFs. This extension, available on Firefox, allows users to quickly grab text for purposes such as translation, storage, or online searching. It supports multiple languages and provides a 'Quick Switch' feature for easy language transitions. The extracted text is displayed as an overlay for quick verification, enhancing the user experience compared to manual retyping.

The software excels in versatility, accommodating diverse content types like screenshots, diagrams, and even movie subtitles. With the installation of the UI.Vision XModule, users can also utilize desktop OCR capabilities, making it possible to extract text from desktop applications and pop-ups. Copyfish stands out with its user-friendly interface, enabling users to select text directly from images, ensuring compatibility across all websites, PDFs, and video content.