We are thrilled to announce the release of HelpNDoc 10.0, a major milestone in the evolution of our help authoring tool. Packed with powerful new features, smarter workflows, and important fixes, this version is designed to make technical writing faster, more flexible, and more reliable than ever. From a brand-new project importer to improved Markdown compatibility, enhanced equation and image handling, and a host of stability and performance upgrades, HelpNDoc 10.0 is here to redefine your documentation experience.
As always, HelpNDoc is free for personal use and evaluation, so now is the perfect time to download HelpNDoc 10.0 and see what’s new.

📥 Smarter Project Reuse: Introducing the New Project Importer

HelpNDoc 10.0 introduces a brand-new project importer that gives technical writers precise control over how they reuse and consolidate content across multiple projects.

HelpNDoc project importer [importer] [Featured]

With this powerful new tool, you no longer have to copy everything from one project into another. Instead, the importer lets you selectively bring in topics, library items, and keywords. For topics, you can decide exactly which sections to import and how their formatting should be handled, either by keeping original styles or adapting them to the current project’s styles for consistent presentation. When importing library items, you can choose entire sets (such as pictures, barcodes, or variables…), or limit the process to only those items actually referenced by your selected topics. The same flexibility applies to keywords: Import them all or just the ones directly linked to your chosen topics.

This level of control has clear benefits for technical writers. When you’re merging multiple manuals into a single comprehensive guide, you can import only the necessary pieces while maintaining a clean, consistent structure. When starting a new project, you can quickly reuse standard snippets, variables, or company-approved media items without cluttering your workspace with unnecessary content. The importer also makes it easy to migrate legacy documentation into modern templates, eliminating the need to manually copy and adjust every section.

By eliminating duplication and reducing manual cleanup, the new importer helps ensure consistency, accuracy, and efficiency across documentation projects. It transforms HelpNDoc 10.0 into not only a powerful authoring environment but also a practical tool for managing and reusing knowledge at scale.

📝 Markdown First: Copy, Paste, and Export Like a Pro

Markdown workflows are now fully supported in HelpNDoc 10.0, making it a valuable asset for modern documentation pipelines.

Single page MarkDown export [markdown]

HelpNDoc 10.0 also takes a big step forward in supporting modern documentation workflows with an all-new Markdown template. This template generates complete, single-page Markdown files that go beyond plain text by including optional AI-friendly metadata. Project details such as the author, version, and language are embedded alongside topic-specific information like IDs, captions, and context identifiers, making the output especially valuable for integration with AI-powered tools and automated pipelines. This structured context allows AI systems to more easily index and understand the exported Markdown, enabling them to deliver more accurate answers when asked about your documentation. It also helps AI assistants generate better suggestions, summaries, and translations, since they can use the extra metadata to correctly interpret the content.

Additionally, working with Markdown day-to-day is now easier than ever. You can copy and paste topic content directly as Markdown, instantly converting HelpNDoc’s structured formatting into a syntax that works well with external editors. The snippet editor has also been enhanced with new sub-menus that let you copy or paste content as plain text or Markdown with just a couple of clicks. These improvements make it seamless to use HelpNDoc alongside GitHub, wikis, static site generators, and a wide range of developer-friendly workflows, ensuring that your documentation fits smoothly into any publishing ecosystem.

🖥️ Next-Generation HTML Documentation with Bootstrap 5

HelpNDoc 10.0 delivers significant enhancement to its HTML generation capabilities, rendering your documentation faster, safer, and more future-proof.

New modern HTML generation template [template]

At the heart of this improvement is the brand-new default HTML template, which is built on the latest vendor libraries and powered by Bootstrap 5. Combined with updated HTML5, CSS, and JavaScript foundations, this modernization ensures that generated documentation performs smoothly across all current browsers and eliminates vulnerabilities tied to outdated libraries. By dropping support for legacy browsers, the template is lighter, more secure, and far easier to maintain. This gives writers confidence that their output will remain compatible for years to come.

This update also extends to how images are handled in HTML-based documentation. Pictures can now be assigned IDs and class names that are preserved in the exported code, giving developers precise hooks for custom styling or interactivity. The image editor has also been refined to save edits in the original file format, avoiding unnecessary conversions and reducing the risk of corruption. Together, these changes make HelpNDoc’s HTML output more flexible for customization and more reliable in production environments.

With HelpNDoc 10.0, generating HTML documentation is no longer just about delivering content: it’s about producing a secure, modern, and extensible foundation that can be styled, scripted, and scaled to match the needs of today’s technical communication.

⚡ Faster Organization and Smarter Authoring Tools

HelpNDoc 10.0 introduces practical new enhancements that make it easier to organize large projects and write technical content with precision.

Multiple topic selection in table of contents [multitopic]

The table of contents now supports multi-topic selection, so you can move, reorder, or delete groups of topics with a single action. This dramatically speeds up organizing complex projects, enabling technical writers to restructure documentation more efficiently while maintaining a clear and consistent content hierarchy.

At the same time, the equation editor has been refined with a new Insert menu that provides quick access to common symbols, calculus operators, and complex number functions. Combined with recent rendering improvements, it is now faster and more reliable to create professional mathematical content without errors or formatting issues.

These updates reduce repetitive tasks and give authors more control, making HelpNDoc 10.0 a smoother, more productive environment for producing high-quality documentation.

🛠️ Stability, Performance, and Fixes

Beyond new features, HelpNDoc 10.0 delivers major improvements in performance, reliability, and compatibility.

Stability, performances and bug fixes [stability]

Opening large projects with many library items is now significantly faster. The ePub generator has been overhauled to pass stricter validation checks, and SVG loading is now quicker and more robust. The application is also more stable thanks to better handling of project files, registry edge cases, and startup errors. Window management and taskbar behaviors have been corrected to ensure smoother integration with modern Windows features. This release includes numerous other fixes, from improved equation rendering to safer image editing, making HelpNDoc more reliable than ever.

🚀 Download HelpNDoc 10.0 Today!

HelpNDoc 10.0 is available for free for personal use and evaluation purposes: try it now!

HelpNDoc can generate multiple documentation formats

Whether you’re reusing content with the new project importer, embracing Markdown-first workflows, or benefiting from faster, more reliable exports, HelpNDoc 10.0 is packed with features that will save you time, improve content quality, and future-proof your documentation process.
👉 Download HelpNDoc 10.0 today and experience the next generation of help authoring.

Want to create great documentation?

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

Change log

Version 10.0.0.105 – Release date: Sep 11, 2025

  • New HelpNDoc project importer with selective import of topics, library items, and keywords, including options for only used items or related keywords
  • Pictures now support optional IDs and class names, which will be included in all HTML-based documentation exports
  • New Markdown template capable of generating single-page Markdown files with optional AI-friendly metadata
  • Added the ability to copy and paste topic content as Markdown, improving compatibility with Markdown editors and workflows
  • Added support for selecting multiple topics in the table of contents for quicker organization
  • Added copy and paste sub-menus to the snippet editor's context menu, providing quick access to additional options such as "Copy/Paste as Text" or "Copy/Paste as Markdown"
  • The equation editor now has a new Insert menu with quick access to common symbols, calculus operators, and complex number functions to make writing equations faster and easier
  • Significantly improved program responsiveness when opening projects with many library items
  • Updated all vendor libraries in the default HTML template to their latest versions, including upgrading to Bootstrap 5 for improved security, and better browser compatibility
  • Updated the default HTML template with modern HTML5, CSS, and JavaScript for improved performance and maintainability
  • Improved the ePub generator to address issues flagged by validators, including missing files, invalid file names, missing XML elements, and mismatched book identifiers
  • Importing a split Word DocX document containing images in headings could result in random characters appearing in the topic titles
  • Dropped support for legacy browsers in default HTML template in favor of full compatibility with modern web browsers
  • Enhanced SVG loading speed, reliability, and improved compatibility with various SVG files
  • Improved reliability, accuracy, and performance when working with HelpNDoc project files, ensuring a safer and smoother experience
  • Refactored internal management of Open and Save dialogs to improve consistency and enhance support for recently used and favorite paths
  • Fixed an issue where the Open dialog could, in rare cases, allow multiple file selections when only single selection was intended
  • The equation editor received fixes to its visual presentation and editing, including clearer rendering of symbols and annotations, and more reliable behavior when working with matrices
  • Improved the image editor so edited images are now saved in their original format instead of being converted
  • Using the image editor to edit an image immediately after loading could sometimes corrupt the original file
  • Fixed an issue where various error messages such as "JPEG error #53" could appear when editing non-PNG images in the image editor
  • Resolved a rare issue where the application could crash at launch on systems with invalid mouse cursor registry configurations
  • Attempting to display open or save dialogs could fail if specific registry keys contained empty or invalid values
  • Updated the underlying web browser engine to the latest version, improving performance, reliability, and security
  • Loading SVG images with cross-register internal links no longer triggers a stack overflow exception
  • Fixed an issue where the main window restored to a different position than when it was initially minimized
  • Resolved an issue where HelpNDoc did not appear in the list of applications available to snap alongside another window
  • Fixed a bug where HelpNDoc's taskbar icon failed to relocate to the active monitor when the taskbar was set to show icons only on the display containing the application
  • Fixed an issue where saving a project did not add it to the Windows "Recent Files" list
  • Various Debug edition improvements to error handling and stability for increased robustness

See also...

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