Edit, convert, secure, and sign PDF with annotation, OCR, and more. Features Edit.Edit PDF text, OCR, embed links & files, and add images, notes & annotations. Convert.Convert PDF documents to Word, Excel, PowerPoint, and back to PDF in just a few simple clicks. Combine.Merge multiple PDFs into a single searchable, editable file with Nitro’s easy combine functionality. PDF security & signPassword-protect, encrypt & sign PDF documents securely. Integrate with DMSSync your favorite document management system and other software with Nitro. Collaborate & annotateHighlight and annotate your PDF documents to keep track of important notes. User-intuitive OCRConvert scanned documents to editable PDFs with OCR support for multiple languages.