Computer software for viewing, creating, editing, sharing, managing, distributing, accessing and storing with and without password protection, electronic documents, including interactive electronic documents, namely, Portable Document Format (PDF) files by, adding text, images, and signatures to PDF documents, correcting text in original PDF with editable text blocks, moving, resizing, copying, and deleting images in original PDF documents; redacting or erasing text, including OCR (Optical Character Recognition) text, search and redact and search and replace text, adjust resolution, color depth, and contrast in an image or scanned document, scan directly from image capture and TWAIN scanners, perform OCR on scanned documents, inserting and removing pages, reordering pages in PDF documents by drag and drop, combining PDF documents, filling out interactive PDF forms, copying and pasting rich text, retaining fonts and formatting when copying from PDF documents, selecting and copying text across multiple columns and rows, adding and printing notes and comments, marking up documents with highlighting, underscoring, and strikethrough, saving frequently used images, signatures, objects, and text in the library, saving PDFs directly to Internet-based document archival services, and automating PDF manipulations with various scripts