PDFsail is a powerful online PDF tool designed to improve office efficiency. It provides a variety of practical functions to meet daily PDF document processing needs. You can easily complete the following operations without downloading or installing any software: Core functions 1. PDF format conversion - Supports converting PDF to Word, Excel, PPT, pictures and other formats, and can also easily convert files in these formats to PDF. 2. PDF compression - One-click compression of PDF file size, while ensuring document clarity, convenient storage and sharing. 3. PDF editing - Modify PDF content online, support adding annotations, inserting signatures or images, to meet personalized editing needs. 4. AI intelligent processing - With the help of AI technology, quickly summarize PDF content, read PDF and answer questions, making information acquisition more efficient. 5. PDF merging and splitting - Merge multiple PDF files into one document, or split large files.