| PDF Zone: An online hub for all things Acrobat and PDF. Plugins, utilities, useful tips, and newsletters. |
| Adobe Acrobat SDK: Various downloads for acrobat developers, including sample code and documentation. |
| Cities Digital Solutions Inc.: Offering services to convert your current archives to a text searchable PDF library. |
| Creating PDF Documents for Free: Links to free Web services, freeware applications, and Open Source programs generating PDF files from a variety of other formats. Aimed mainly at Microsoft Windows users. |
| Decument Engineering Lab: University of Nottingham research group dealing in, among other things, PDF. Papers, research reports on proposed PDF extensions, as well as downloadable and libraries. |
| Fast PDF: Web based tool to convert Microsoft Word documents to PDFs. Free conversion for limited time. |
| Guru's Lair: Acrobat PDF and SVG Graphics Library: Tutorials and utilities to help use Adobe Acrobat version 4 and above. |
| How to Concatenate PDFs without Pain: Article describing several possible techniques to merge two or more PDF files into a single PDF document, with comments on their effectiveness. |
| html2pdf: A site offering conversion to PDF from HTML documents. Commercial service that can be added to existing websites. Information and examples available. |
| Online PDF to HTML Conversion: Web form translating arbitrary PDF files to HTML, hosted by Adobe. Designed specifically to make PDF accessible to people with disabilities. |
| PDF - Avoid for On-Screen Reading: Alertbox article by Jacob Nielson discussing the limitations and pitfalls of PDF as an online publishing tool. |
| PDF Converter: Submit documents online to be returned as PDF. |
| PDF Converters: Contains information and resources of free, shareware, and commercial document conversion software. |
| PDF Research Companion: A designer's guide to the Portable Document Format. Provides links, resources, articles, case studies and more on Acrobat, Capture and FrameMaker. |
| PDFing Mailer: Convert and email AS400 reports in PDF format. Overview of software, downloads, support and contact information. |
| PDFzone Acrobat PDF Ring: Connects sites showcasing uses of Adobe Acrobat files. |
| Ted Padova's Acrobat Site: Home of the author of Acrobat 5.0 PDF Bible. Contains tips, resources, and publications. |
| The PDF Corner: Overview of the format, troubleshooting, application support. |
| What is the PDF format good for?: Polemic against PDF, focussing on the format's supposed lack of suitability for on-screen reading. |
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