LightPDF is a comprehensive online PDF tool that leverages artificial intelligence to provide a wide range of PDF services, including viewing, editing, converting, signing, annotating, merging, and managing PDFs with ease. Users can also benefit from features like file encryption and decryption, text recognition, and integration with cloud services for document sharing and collaboration. Whether you're a student, professional, or casual user, LightPDF's user-friendly interface and powerful tools help you handle all your PDF needs seamlessly.