PDFBox
The Apache PDFBox® library is an open-source Java tool for working with PDF documents. This project allows the creation of new PDF documents, manipulation of existing documents and the ability to extract content from documents. Apache PDFBox also includes several command-line utilities. Apache PDFBox is published under the Apache License v2.0. Extract Unicode text from PDF files. Split a single PDF into many files or merge multiple PDF files. Extract data from PDF forms or fill a PDF form. Validate PDF files against the PDF/A-1b standard. Print a PDF file using the standard Java printing API. Create a PDF from scratch, with embedded fonts and images. Save PDFs as image files, such as PNG or JPEG and digitally sign PDF files. See also the export control information related to the encryption features included in Apache PDFBox.
Learn more
doPDF
PDF stands for Portable Document Format and it was created by Adobe to ease document exchange. doPDF is a free PDF printer that does what the name suggests, creates PDF files. Once installed it will allow you to convert any type of printable documents to PDF files. doPDF installs itself as a virtual PDF printer driver so after a successful installation will appear in your Printers and Faxes list and also in the list of All Programs. Using doPDF you can convert to PDF in two ways: Print to PDF via the virtual printer driver doPDF. You would do this exactly as you print to a regular printer, just the result will be a PDF file, not a printed piece of paper. Using the doPDF Startup window. doPDF has an executable file (accessible from the start program group) that you can run in order to start a conversion wizard.
Learn more
Adobe Acrobat
Adobe Acrobat Studio is a leading enterprise document platform built to scale for global teams — delivering AI-powered document intelligence, trusted PDF tools, and on-brand content creation in one secure solution.
Core capabilities include PDF creation, editing, conversion, annotation, redaction, e-signatures, and fillable forms. AI Assistant enables conversational document intelligence across PDFs, Word docs, spreadsheets, and more — surfacing summaries, key insights, and source-linked citations for verified, audit-ready answers. PDF Spaces organizes files, collaboration, and context into centralized knowledge hubs. The Generate Presentation feature transforms any document into a polished, branded deck using AI and Adobe Express templates.
Enterprise-grade encryption, admin controls, and compliance workflows support secure document sharing and high-volume document processing at scale — across Legal, Finance, HR, Sales, and more. Available on desktop, web, and mobile.
Learn more
Conholdate.Total For .NET
Conholdate.Total for .NET is the complete package of all .NET APIs as offered by Aspose and GroupDocs. It empowers the developers to perform a wide range of document processing tasks from within their own .NET based applications. This .NET package is an all-in-one solution for all types of document managements systems because it offers the ability to create, edit, print, view, annotate, compare, sign, automate, search and convert between a wide range of popular document formats.
Process a Multitude of File Formats - Conholdate.Total for .NET empowers you to build an incredibly versatile file processing system capable of handling many popular file formats. You can easily open, create, modify and convert file formats.
Conholdate.Total for .NET currently supports following file types:
Microsoft Word documents
Microsoft Excel spreadsheets
Microsoft PowerPoint presentations
Adobe PDF documents
Microsoft Outlook
Microsoft Project files
and more than 100 other file formats
Learn more