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Free Spire.Doc for .NET is a Community Edition of the Spire.Doc for .NET, which is a totally free word API for commercial and personal use. As a free C#/VB.NET API, it also offers a lot of powerful functions. Developers can use it to generate, read, write, save and convert documents on any .NET applications. The featured function, conversion allows converting Word documents (Word 97-2003, Word 2007, Word 2010, Word 2013, Word 2016 and Word 2019) to commonly used file format, such as XML, RTF, TXT, PDF, XPS, EPUB, HTML and Image etc. Friendly Reminder: |
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Pro Edition supports converting files from Word to PDF, Word to HTML, Word to XPS, Word to Text, Word to Image, Word to SVG and Word to XML(the Word can be either .Doc or .Docx).  |
Unlike Pro Edition, the Standard Edition doesn't support print or conversion of any kind mentioned above. |
Free Edition $0
Free version is limited to 500 paragraphs and 25 tables. This limitation is enforced during reading or writing files. When converting word documents to PDF and XPS files, you can only get the first 3 page of PDF file.  |
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Conversion
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Only Free Spire.Doc, No Microsoft Office Automation
Free Spire.Doc for .NET is a totally independent .NET Word class library which doesn't require Microsoft Office installed on system. Microsoft Office Automation is proved to be unstable, slow and not scalable to produce MS Word documents. Free Spire.Doc for .NET is many times faster than Microsoft Word Automation and with much better stability and scalability. |
By using Free Spire.Doc for .NET, users can save Word Doc/Docx to stream, save as web response and convert Word Doc/Docx to XML, RTF, TXT, EPUB, HTML and Image. Free Spire.Doc for .NET also supports to convert Word Doc/Docx to PDF and HTML to image. |
A common use of Free Spire.Doc for .NET is to create Word document dynamically from scratch. Almost all Word document elements are supported. Mainly includes page, sections, headers, footers, footnotes, paragraphs, lists, tables, text, fields, hyperlinks, bookmarks, comments, images, styles, background settings, printing features, document settings and protection. Furthermore, drawing objects including shapes, textboxes, images, OLE objects and controls are supported as well. |
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Free Spire.Doc for .NET enables developers to process pre-existing Word documents. It supports search and replace function, alignment, page break, fill field, document concatenate, document copy, print, complex and deeply nested mail merge, etc. |
By using Free Spire.Doc, developers can build Windows Forms, ASP.NET, WPF or any type of applications based on .NET Framework 2.0 or later. It also allows you to create applications based on .NET Core using the version 7.1 or later. |
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Add a Watermark
A watermark is used to declare confidentiality, copyright, or other attributes of the document, or as a decoration to make the document more attractive. You can add either text or image watermarks to Word documents.
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Convert Word to PDF
PDF files are preferred over Word documents because they are safe, simple to open, and easy to manage on any device. PDF is the most popular file format that users would convert Word to.
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Convert Word to XPS
The XPS format is Microsoft’s alternative to PDF. It helps to view, edit, print as well as annotate the document.
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Convert Word to PNG
When you finish creating a flyer or a notice in Word, you may want to save it as a PNG image file in order to make it accessible via a smartphone.
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Create a Form
Form fields make it easier to collect information. Users can enter information by choosing an item from a drop-down list, inserting text in a combo box, or checking a check box.
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Compare Documents
If you receive two nearly-identical Word documents, the ideal way to determine whether there are any differences between them is to compare the two documents.
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Digitally Sign Documents
A digital signature provides assurances about the validity and authenticity of your Word documents. Once a Word document is digitally signed, any changes to the document will invalidate the signature.
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Extract Text and Images
When you just need to get the information in a Word document regardless of its format and structure, you can simply extract the text and images from the document.
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Find and Highlight
If you want to emphasize some words, you can find and highlight them in a bright color so that the readers could catch them easily.
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Headers and Footers
Headers and footers are useful for including information that you want to appear on every page of a document, such as company logo or page number.
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Insert Math Equations
Mathematical equations often appear in academic documents. Spire.Doc supports inserting or creating math equations from LaTeX or MathML code.
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Insert a Table
A table is a grid of cells arranged in rows and columns. It is often used to organize data that is too detailed or complicated to be described adequately in the text, allowing the reader to quickly understand the relationship between the data.
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Insert Images and Shapes
Instead of typing monotonous plain text in a word document, you can also insert images and shapes to illustrate your ideas and beautify the document.
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Mail Merge
Mail Merge is a handy feature that allows you to quickly produce multiple documents, such as letters or emails, using information stored in a list, spreadsheet or database.
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Replace Text
The ability to replace existing text (or placeholders) in a Word document makes it possible for programmers to quickly generate Word reports or documents based on a template.
