WinCHM
WinCHM is a very easy-to-use and powerful help authoring tool. Not needing to learn hard, you can be master of creating professional and good looking HTML help(CHM), Web help, PDF manual and Word documents. With this powerful tool you can not only create chm file from scratch, but also convert a set of existing HTML files to a chm file. You can open an existing chm file and edit the chm file too. create chm file too. Template support, make uniform style html help file very easily. Full-function web help creation. (Contents, Index, Search and Bookmark). Integrated full-function WYSIWYG html editor. No external word processor needed. Edit CHM files, and convert a set of HTML file into a CHM file. Super table of contents hierarchy editor. Supports multi-select moving, changing icons, and Visual CHM designer. WinCHM Pro is an easy-to-use help authoring tool. You can use it without leaning too much.
Learn more
Aspose.PDF
Aspose.PDF provides the most complete set of PDF manipulation and parsing solution for developers & end-users. Aspose.PDF for .NET is an advanced PDF Processing API for .NET Core to perform document management and manipulation tasks within cross-platform applications. API can easily be used to generate, modify, convert, render, secure and print documents without using Adobe Acrobat. Moreover, API offers compression options, table creation & manipulation, graph & image functions, extensive hyperlink functionality, stamp and watermark tasks, extended security controls and custom font handling. Aspose.PDF for Java is a fast and lightweight processing API to create, modify, render, secure as well as print PDF files without the use of Adobe Acrobat. API also supports working with TXT, HTML, PCL, XML, XPS and image file formats.
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
PDFix SDK
PDFix SDK provides the power to make existing PDF files accessible automatically. It helps you convert PDF files to high-quality accessible PDF/UA . Our auto-tag feature recognizes all important structures in your documents like texts, images, tables, headers/footers, headings, lists, and reading order. Automated batch processing saves time, and reduces remediation costs. Have you ever tried to get any data from various PDF files? Then you know how painful it is. Machine learning techniques help us to create an algorithm that allows you to extract data in an easily readable structured way. Thanks to that, you can recognize all logical structures as texts, headings, images, tables, headers/footers, list, etc. You can also scrape these data from your PDFs and convert them to your favorite output as HTML, CSV, JSON, or XML.
Learn more