Versatile documentation software

HelpNDoc is a modern help authoring tool with an intuitive user interface. Write or import your content and produce more than 8 documentation formats including help files, web sites, user manuals, documents, Markdown, eBooks…

HelpNDoc projects can be exported to help files, web sites, documents and eBooks. It supports batch export, conditional generation as well as advanced customization options.

Want to create great documentations?

HelpNDoc is free, fully functional, and easy to use.
Produce your first multi-format documentation in the next minute or so.

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Why International Characters Break in CHM Files And How HelpNDoc Solves It ›

May 14, 2025

Publishing professional-quality help files often means supporting multiple languages — from Hungarian to Japanese, Greek to Chinese. Yet if you've ever generated a CHM help file …

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HelpNDoc 9.8: PDF File Attachments, SVG Editing, and Major Performance Fixes ›

Apr 8, 2025

HelpNDoc 9.8 introduces powerful new features and improvements, including the ability to attach files to generated PDF documents, enhanced SVG support in the image editor, and …

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Secure Your PDF Documents Effortlessly with HelpNDoc ›

Mar 18, 2025

Learn how to effortlessly secure your PDF documents with HelpNDoc. This comprehensive article explores the critical importance of signing and encrypting PDFs to protect your …