Giới Thiệu · AlterPDF
This is a free PDF converting and manipulation tool. It allows you to raise the efficiency of your work with PDF documents to a new level. Convert, modify, protect and optimize your PDFs with ease.Key features: Convert documents to PDF; Convert PDF to documents; Convert PDF to images; Convert Excel to PDF; Create PDF document from JPEG and BMP images; Extract text and image objects; Merge and split PDF files; Remove selected pages from PDF; Crop pages in PDF; Extract selected pages and save as separate PDF files; Password-protect PDF documents; Decrypt PDF files; Set user permissions for PDF document; Change metadata; Protect PDF; Sign your documents with digital signature.
AlterPDF has a clean and user-friendly interface. Just drag and drop any number of documents into the program window, choose Operation type and start conversion. The program works quickly, in batch mode, allowing you to see the report during processing the files. AlterPDF is completely free, full-featured software, it is designed for home and commercial use.
