Document Creation
- docx:
The docx library allows for the creation of .docx files from scratch, providing a comprehensive API to define document structure, styles, and content. It supports adding various elements like paragraphs, tables, images, and lists, making it suitable for generating complex documents programmatically.
- mammoth:
Mammoth is primarily focused on converting .docx files to HTML rather than creating documents. It extracts content from Word documents and converts it into clean HTML, making it easier to integrate Word content into web applications.
- html-docx-js:
html-docx-js focuses on converting HTML content into .docx files. It takes HTML strings and transforms them into Word documents, preserving the styles and layout as much as possible. However, it does not support creating documents from scratch or manipulating individual elements within the document.
HTML Support
- docx:
The docx library does not directly support HTML input; it is designed for programmatic document creation. Developers must define document content using the library's API, which may require more effort for complex layouts compared to HTML-based solutions.
- mammoth:
Mammoth does not convert HTML to .docx but rather focuses on converting .docx to HTML. It is useful for extracting structured content from Word documents, making it easier to display in web formats.
- html-docx-js:
html-docx-js excels in handling HTML input, allowing developers to convert existing HTML content into .docx format. It is beneficial for applications that need to export web content directly into Word documents while maintaining the original styling.
Ease of Use
- docx:
The docx library has a moderate learning curve due to its API structure, which requires understanding how to build documents programmatically. However, once familiar, developers can create complex documents with ease.
- mammoth:
Mammoth is user-friendly for developers looking to extract content from Word documents. Its API is designed to be simple, focusing on converting .docx to clean HTML without excessive configuration.
- html-docx-js:
html-docx-js is straightforward to use for developers familiar with HTML, as it allows for direct conversion of HTML to Word format. This makes it accessible for those who primarily work with web content.
Output Quality
- docx:
The output quality of documents generated with the docx library is high, as it allows for detailed customization and control over the document's appearance and structure, ensuring professional-looking results.
- mammoth:
Mammoth produces clean and semantic HTML from .docx files, focusing on maintaining the structure of the content rather than the exact visual representation. It is ideal for applications that prioritize content over layout.
- html-docx-js:
html-docx-js aims to preserve the layout and styles of the original HTML as much as possible, but the output quality can vary depending on the complexity of the HTML and CSS used. It is best for simpler HTML structures.
Use Cases
- docx:
The docx library is ideal for applications that require generating reports, invoices, or any custom Word documents programmatically, where detailed control over the document structure is necessary.
- mammoth:
Mammoth is perfect for applications that need to extract and display content from existing Word documents in web formats, such as blogs or content management systems, where the focus is on content reuse.
- html-docx-js:
html-docx-js is best suited for web applications that need to export user-generated content or web pages as Word documents, making it perfect for scenarios where HTML content needs to be converted to .docx.

















