Built by Developers for Developers

Built by Developers for Developers

We are developing .NET components to do everything you wish with documents in PDF, DOCX, RTF, HTML, Images and other formats.

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SautinSoft’s Component Philosophy

Our component philosophy comes down to four elements: speed, flexibility, familiarity, and a small footprint. With extensibility built into every control and platform, our products are engineered and built for maximum performance.

Intuitive API

We creating components with simple and intuitive API. Our components help you to Create, Edit, Convert and Export documents in most popular formats. See our Knowledge Base to get the ball rolling!

Over 20 Years of Experience

Our product team has the expertise and product knowledge to anticipate your growing development needs. We have over 20 years of experience in creating file format components, especially with PDF, DOCX, RTF and HTML.

Exceptional Support

Sautinsoft's offers the industry's best support with 24-hour personalized assistance and extensive online learning resources, including knowledge base articles, videos, demos. Get started with our controls in minutes.


Years of Experience


Customers and Counting


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Countries Worldwide

Document .Net

Version: 2024.7.18  |  July 18th, 2024

Manipulate with documents based on Microsoft Word Document Model. No Microsoft Word dependencies.

Gives you API to do everything with documents in PDF, DOCX, RTF, HTML and Text formats.

Document .Net

PDF .Net

Version: 2024.6.18  |  June 18th, 2024

Do everything with PDF documents under .NET platform.

No Adobe dependencies. Powerful .NET library to operate with PDF documents: create, read, write, edit, split, merge, modify document properties, sign digitally and a lot of more.

  • Allows to Create and write PDF documents. You can also edit any content in PDF, add images, modify text formatting, remove pages and write the document to desired PDF version.
  • Read text from PDF. You can quickly retrieve any text content, with all info and ready for your further processing.
  • Merge and split PDF documents. Insert, remove, or rearrange pages. Assemble, merge, clone or split documents.
  • Fill PDF forms. Filling PDF interactive forms and update the appearance of the filled in fields.
  • Extract Images from PDF. Extract raster and vector graphics and images from PDF documents.

The PDF .Net is currently in the testing stage. And it does not meet the described functionality.

To test the PDF .Net, write to support@sautinsoft.com

PDF .Net
PDF Focus .Net

PDF Focus .Net

Version: 2024.3.28  |  March 28th, 2024

.NET assembly which gives API to convert PDF to All formats: DOCX, RTF, HTML, XML, Text, Excel, Images.

Designed to help you in development of applications where is necessary to convert from PDF.

PDF Metamorphosis .Net

Version: 2024.5.27  |  May 27th, 2024

.NET assembly which gives API to convert RTF, Text, HTML, DOCX to PDF format.

Designed to help you in development of applications where is necessary to convert documents to PDF.

PDF Metamorphosis .Net
PDF Vision .Net

PDF Vision .Net

Version: 2024.6.20  |  June 20th, 2024

.NET assembly to convert HTML to PDF and Images (JPEG, TIFF, PNG, Bitmap) to PDF.

Designed to help you to convert any complex HTML pages saturated by CSS and Javascript to PDF documents.

HTML to RTF .Net

Version: 2024.5.22  |  May 22nd, 2024

.NET assembly to convert HTML to DOCX, RTF and Text.

Gives API to your app to convert any HTML documents to Word, RTF, DOCX.

HTML to RTF .Net
Excel to PDF .Net

Excel to PDF .Net

Version: 2023.11.22  |  November 22nd, 2023

.NET assembly to convert Excel (.xls and .xlsx) workbooks to PDF and Word.

Provides your by wide set of API to convert Excel workbooks and sheets to PDF without any Microsoft Excel dependencies.

RTF to HTML .Net

Version: 2024.6.6  |  June 6th, 2024

.NET assembly to convert Text, RTF, DOCX to HTML.

Provides your by API to transform Word documents to HTML5, 4.01, 3.2, XHTML with a lot of converting options.

RTF to HTML .Net
UseOffice .Net

UseOffice .Net

Version: 2024.6.26  |  June 26th, 2024

.NET assembly to convert between MS Office (Word, Excel, Power Point) and PDF. It is a bridge (Wrapper) between your application and MS Office.

Provides you by API with more than 40 converting directions. Requires MS Office installed.

Recent news

new releases
July 18th, 2024
  • The issue with incorrect reading of editable fields has been resolved successfully
  • An error with page pagination has been fixed

June 26th, 2024
  • .NET 9 support: Starting from the version UseOffice .Net 2024.6 appeared the UseOffice.dll assemblies compiled for .NET 9.X.
  • Word: Resolved an issue that caused footnote numbers to be missing from the Cross Reference list when track changes is turned on in a document and changes are made

June 20th, 2024
  • Updated the revision of portable Chromium browser to the one of stable latest: Windows - "1311143", Linux - "1311171", macOS - "1311171". The Chromium version 116
  • Stability and performance improvements


macOS, Linux - convert PDF to Word using C#, VB.Net

You need to convert PDF using macOS, just download this solution for .Net

  • PDF to DOCX
  • PDF to RTF
  • PDF to Images

Introduce - Document .Net by SautinSoft

Document .Net - .Net assembly which gives API to create, read, write, edit, view PDF, PDF/A, DOC, DOCX, HTML, RTF and Text documents in C#. Reporting, MailMerge, Digital Signature for C#, VB.NET, .Net, NET CORE.

How to convert HTML to PDF in .NET platform and C#

  • Convert HTML to PDF in .NET
  • Transform ASPX pages to PDF
  • Convert TIF to PDF
  • Convert multipage Tiff to PDF
  • Generate PDF from JPEG, GIF, BMP, PNG, ICO, TIFF, WMF, EMF
  • Create PDF from pack of images at once, like a Photo Gallery
  • Split and merge PDF documents

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