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Gnostice Document Studio .NET is the next-generation .NET Core compliant multi-format document-processing component suite for .NET developers. It has controls for viewing, printing, and converting PDF, DOCX, DOC, HTML, TXT, XLSX, XLS, ODS, XPS, BMP, JPEG, PNG, WMF, EMF, TIFF and MTIFF. Gnostice Document Studio comes with advanced multi-format document viewer controls for Xamarin, WinForms, WPF, and ASP.NET (WebForms and MVC). It also supports template-based DOCX/DOC mail-merge document creation. It can intelligently reconstruct page elements when converting PDF to DOCX. It can create PDF portfolios.
Note: Conversion to PDF is not supported in .NET Core at this point. It is being worked on.
The ASP.NET Document Viewer supports viewing of PDF, DOCX, DOC, TXT, XLSX, XLS, ODS, BMP, JPEG, PNG, WMF, EMF, TIFF and MTIFF files. Unique features of the viewer include searching text in images using OCR, color inversion, and ability to work with all formats with a common GUI and API. PDF support includes interactive form-filling, annotations, thumbnails view, bookmarks view, and general viewing tools.
The Xamarin Document Viewer supports viewing of PDF, DOCX, DOC, TXT, XLSX, XLS, ODS, BMP, JPEG, GIF and PNG files. Unique features of the viewer include multiple page layouting and unlimited zoom.
Gnostice Document Studio .NET is based on managed code and does not require external software or libraries such as Microsoft Word, Open XML SDK, Word Automation Services, Adobe PDF library or GhostScript. The OCR feature relies on an embedded unmanaged library. It has been tested completely for trouble-free operation under web, mobile and desktop deployments. The OCR feature can be disabled if it is not required.
Gnostice Document Studio .NET is also available as part of our "all-.NET-products-included" Gnostice DevSystem .NET Subscription.
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Gnostice Document Studio .NET is also available on Nuget.
You can download any of the files listed in the box below free of charge. Please provide your name and e-mail address so that we can send you information related only to your download. You will not be contacted for any other purpose. We will not give your e-mail address to anyone else in any situation.
NOTE: For receiving a license key to the Free edition you need to fill out the registration form.
Please fill up this form and we will mail your license key. By filling up this form, you will be attesting your acceptance of the Gnostice Document Studio .NET Free Edition SOFTWARE LICENSE AGREEMENT AND LIMITED WARRANTY.
Gnostice Document Studio .NET supports the following features.
Note: Conversion to PDF is not supported in .NET Core at this point. It is being worked on.
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| Xamarin Document Viewer | ||||
| WinForms Document Viewer | ||||
| WPF Document Viewer | ||||
| ASP.NET Document Viewer | ||||
| Document Printer | ||||
| Document Converter | ||||
| Supported File Formats | Free | Professional | Ultimate | |
| DOCX |  |
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| DOC (Read) | |
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PDF (.NET Framework)
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PDF (.NET Standard - .NET Core / Xamarin)
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| TXT | |
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| Spreadhsheets (Read) - XLS, XLSX, and ODS | |
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| Images (.NET Framework) - BMP, PNG, GIF, JPEG, WMF, EMF, and TIFF | |
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| Images (.NET Standard) - BMP, PNG GIF and JPEG | |
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| RTF (Write) | |
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| HTML (Write) | |
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| Components | Free | Professional | Ultimate | |
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Only the Desktop WinForms viewer | Everything except Web Application Developement Controls | |
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| Xamarin Document Viewer | Free | Professional | Ultimate | |
| Load from streams | |
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| Gestures - Swipe, Pan and Double-tap. | |
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| Page layouts - Continuous: Single-page, Two-page, Fit-to-window | |
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| Page Navigation - First-page, Previous-page, Next-page, Last-page, Goto-page | |
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| Zoom - Zoom-in, Zoom-out, Fit-width, Fit-height, Custom-zoom (unlimited) | |
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| Rotation - Specific pages and all pages | |
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| WinForms Document Viewer | Free | Professional | Ultimate | |
| Load from files | |
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| Load from streams | |
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| Navigate pages using toolbar, scroll bars, mouse, keyboard | |
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| Select to zoom | |
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| Rotate individual or all pages | |
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| Rotate individual or all pages | |
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| WPF Document Viewer | Free | Professional | Ultimate | |
| Load from files | |
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| Load from streams | |
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| Navigate pages using toolbar & mouse | |
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| Select to zoom | |
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| ASP.NET Document Viewer | Free | Professional | Ultimate | |
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| Server-side control with full CSS and JavaScript scripting support for end-user interactivity - open a local document, navigate pages, download document, print document, change page magnification, obtain page number, and process events | |
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| Load documents from files and streams | |
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| Customizable look & feel - ability to specify rendering resolution, configure toolbar functionality (print, open, download), and visible controls (navigation, page magnification, file operations). | |
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| Optional client-side printing and file download (as PDF, DOCX, HTML, TIFF). | |
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| Document Printer | Free | Professional | Ultimate | |
| High-resolution printing | |
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| Exposed PrintDocument object through DocumentPrinter class | |
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| Page Resizing - Original, Fit, ShrinkOverSizedPages | |
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| Page Positioning - Centered, Original | |
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| Page Orientation - Portrait, Landscape | |
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| Page Auto Rotation | |
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| Print page sub ranges (All, even, odd and custom-selected pages) | |
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| Load from File | |
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| Load from stream | |
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| Document Converter | Free | Professional | Ultimate | |
| Convert from DOCX/DOC/XLS/XLSX/ODS/XPS/TXT ====> PDF/HTML/RTF/TXT/Image formats | |
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Convert from PDF ====> DOCX format (with intelligent page elements reconstruction for paragraphs, tables, sections, alignments…) |
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Convert from PDF ====> HTML/TXT/Image format |
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| Convert from scanned Image/PDF ====> Searchable PDF | |
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| Convert from images ====> DOCX/DOC/PDF/RTF/HTML/Image formats | |
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| Create PDF portfolio from any set of input documents, images and other files | |
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| Load from file | |
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| Load from stream | |
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All our products are delivered to you electronically. An e-mail regarding the download will be dispatched to you immediately after your payment is received by our online store.
The following discounts are applicable for bulk purchases of Developer Licenses.
| Quantity | Discount |
| 2-5 | 10% |
| 6-10 | 15% |
| 11-20 | 20% |
| 21 and above | 25% |
Mail us at sales@gnostice.com.
Every Gnostice product purchased is backed* by:
* - Effective from August 21, 2015.
All prices are exclusive of VAT. VAT is applicable based on tax laws in your country. The tax rate will be automatically applied based on rules of the relevant country.
New customers: Please find appropriate buy links to our share-it! online
store in the tables below.
Existing customers: To obtain upgrade/renewal discounts, please send a
mail to sales@gnostice.com with details of your last purchase of
the product.
| License | Price (US$) |
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| 1-developer subscription | Buy Now | |
| 5-developer subscription | Buy Now | |
| 10-developer subscription | Buy Now | |
| 25-developer subscription | Buy Now |
With the purchase of a developer subscription (for Gnostice Document Studio .NET Ultimate), you also get 12 months free updates and upgrades, and 12 months free priority e-mail support.
| License | Price (US$) |
Buy |
| 1-developer subscription | Buy Now | |
| 5-developer subscription | Buy Now | |
| 10-developer subscription | Buy Now | |
| 25-developer subscription | Buy Now |
With the purchase of a developer subscription (for Gnostice Document Studio .NET Professional), you also get 12 months free updates and upgrades, and 12 months free e-mail support.
| License | Price (US$) |
Buy |
| 1-developer subscription | Buy Now | |
| 5-developer subscription | Buy Now | |
| 10-developer subscription | Buy Now | |
| 25-developer subscription | Buy Now |
With the purchase of a developer subscription (for PDFOne .NET and Gnostice Document Studio .NET Ultimate), you also get 12 months of free updates and upgrades, and 12 months free priority e-mail support.
For an informed purchase, please consult our License Agreements, and our Licensing and Purchasing Guide.
Gnostice Free PDF and Word Viewer extension for Visual Studio 2015 and 2013 IDEs
- view PDF, DOC, DOCX files included in your projects without leaving the Visual
Studio IDE. The viewer provides thumbnails view, bookmarks navigation pane, and
controls for page navigation, zoom and document rotation.
- available from Visual Studio Gallery
Introduced OCR-based document digitization technology. Rasterized
text in scanned images, for example, can be converted to a PDF
document with searchable and selectable text. Requires the use of
an unmanaged assembly. Currently supports English text. In future,
other languages will be supported.
DigitizerSettings class to specify settings for converting
input documents.
DigitizationMode property to specify whether to
digitize content.RecognizeElementTypes property to specify content types
in input documents that need to be digitized - currently only text
elements are supported.OCRSettings property to specify input language -
currently only English is supported.ImageEnhancementSettings property to configure
image-enhancement techniques and modes for pre-process images
before digitization.USE_SPECIFIED_TECHNIQUES - Applies a specified list of
image-processing techniques before digitization.AUTO - Automatically determines the combination of
image-processing technique(s) that would produce the highest accuracy.OFF - Does not use any image-processing technique
before digitization.Scaling - Scales the image dimensions to specified
magnification factor.Skew Correction - Detects the skew angle of the image and
uses the skew-corrected image for digitization.Graying - Grayscales the image.
Introduced Preferences class to group various settings such as
InterpolationMode, CompositingQuality,
CompositingMode, and PixelOffsetMode.DocumentViewer components and
the DocumentPrinter component.DigitizerSettings in DocumentConverter
component.EncoderParams as EncoderSettings.ConverterParams as ConverterSettings.
Introduced NeedFieldMapping event to handle
previously unmapped fields.
Introduced uploadDocumentFromBuffer function to load a document from a
Base64 string.
Introduced afterDocumentUpload event to get notified when a document
gets uploaded to the server.convertToFile and convertToStream
overloaded methods. These methods use a new
ConversionMode enumeration with values:
CONVERT_TO_SINGLE_FILE - Converted documents are merged into a single file.CONVERT_TO_SEPARATE_FILES - Documents are converted to separate output documents.CONVERT_FIRST_FILE_AND_ATTACH_REST_AS_ORIGINAL - Only the first document is converted and
the rest of the documents are embedded in it as attachments.CREATE_NEW_FILE_AND_ATTACH_ALL_AS_ORIGINAL - A new blank document is created and
all documents are embedded as attachments in it.convertToFile and convertToStream methods that accept
mergeAfterConvert boolean parameter are deprecated.
Added support for creating PDF portfolios using a
new PDFPortfolioSettings parameter type in PDFEncoderSettings.
Use it to specify:
PortfolioCreationMode enumeration.PortfolioLayoutMode enumeration.
Introduced support for TextBox elements.
Introduced support for borders.
Introduced quick search feature
Introduced Thumbnails pane.
Introduced page layout modes.
SinglePageTwoPageAutoFitPagesInWindowSpecifiedColumnsContinuousNonContinuousNonPageSwitching - currently works only with SinglePage
Added a full-featured viewer demo.
Introduced keyboard shortcuts to:
Introduced ability to rotate pages
Added a full-featured viewer demo.
Introduced keyboard shortcuts to:
Introduced support for customizing keyboard shortcuts
using new
KeyBindings property in
Gnostice.Documents.Framework class.
Introduced support for TextBox elements.
SinglePageTwoPageAutoFitPagesInWindowSpecifiedColumnsContinuousNonContinuousNonPageSwitching - currently works only with SinglePage
visibleRotationControls.clockwisevisibleRotationControls.counterClockwiserotatePagesClockwise()rotatePagesCounterClockwise()events.beforePageRotateevents.afterPageRotateevents.beforeDocumentLoadevents.afterDocumentLoadevents.beforeDocumentPrintevents.afterDocumentPrintevents.beforeDocumentCloseevents.afterDocumentCloseevents.beforeDocumentDownloadevents.afterDocumentDownload* - Test samples included documents created by merging multiple document copies to get file sizes over 150 MB and page numbers over 15000. Samples included specification documents for OpenXML and PDF.
appSettings (in Web.Config)
downloadAs() API to convert and download
the uploaded document to a desired format -
PDF, DOCX, HTML, TIFF.
BeforeSend, AfterSend.
TextEncoderSettings.setFileEncoding().
MailMerge class to provide greater flexibility and
more user-friendly APIs.
IDocument, e-mail
document, etc.)BeginJobBeginMergeInstanceFieldUpdatingBeginPostMergeActionEndPostMergeActionEndMergeInstanceProgressErrorEndJobDictionary<string, Object>DataTableDataRowIDynamicMailMergeSourceFieldMapping class.MailMerge.MergeInstanceBreakType - create a new
document, page, or paragraph.openDocument()firstPage(), prevPage(), nextPage, lastPage(), gotoPage()download()print()zoom(), zoomIn(), zoomOut()getCurrentPageNumber()events.beforePageChanged, eEvents.afterPageChanged,
events.beforeZoomChanged, events.afterZoomChangedDPI property in ImageEncoderParams
class to set the pixel density of the output image.MailMerge class to perform mail merge operation in DOCX files.PDFVersion property in the
PDFEncoderParams class to set the PDF version
of the output document.Theme property.ClientObjectName property.add_PageChanged event to handle
current page-change events.Gnostice.Documents.Framework class to enable
single-point license activation.ClientObjectName property.add_PageChanged event to handle
current page-change events.DocumentPrinter control
for printing documents (PDF and DOCX) and images.
AutoRotate property to automatically re-orient rotated pages.System.Drawing.Printing.PrintDocument
object to gain complete control over printing process -
set margins;
use with PrintPreviewDialog and
PrintPreviewControl;
enables creation of a custom "PrintController" class or a custom
PrintDocument-derived class.BeginJob and EndJob events
to get notified when a conversion job starts and ends.BeginPreparePage and
EndPreparePage events for page-level conversion job
notifications. These events expose a graphics object which can be
used to render your own content on pages such as watermarks and
overlays.NeedPassword event handler to supply password
to decrypt encrypted documents.DocumentConverter control.
DocumentManager.ConvertDocument() methods are deprecated.DocumentManager has been changed from a control to class.The license agreements governing the use of this product are given below. For additional understanding of the agreements, please refer to our licensing and purchasing guide.
A Gnostice Document Studio .NET developer subscription comes with free priority e-mail support for 12 months. Please send your queries to support at gnostice.com. Please ensure that your mail system does not block e-mail from our domain gnostice.com. (Our support system will send you an autoresponder within a few minutes of your e-mail.) You can also use our online feedback form to send us support queries.
A Gnostice Document Studio .NET developer subscription comes with free updates (major and minor) for 12 months. Our news page provides information on the latest updates to our products. You can also subscribe to our news RSS feed to get notified of the latest updates.
The Gnostice Document Studio .NET Developers Guide is available online at:
www.gnostice.com/docs/docstudio_net/guide/index.html.
The installer program will also create a local copy in your computer when you run it.
We have also published technical articles related to Gnostice Document Studio and other Gnostice developer tools, as part of Gnostice Newsletter. To subscribe to the newsletter, send a blank e-mail to info@gnostice.com with the subject set to "SUBSCRIBE". You can also get notified of the latest articles via our newsletter RSS feed.
Learn more about the major new features available in v19.1 and to be released in the v19.2 release of Gnostice Document Studio .NET.
Add watermark to the document pages during view and print operation.
Learn how to interact with PDF files using annotations in ASP.NET Document Viewer control.
View, Convert and Print documents in your .NET apps across Web, Windows and Mobile platform
Learn to use Document Studio .NET’s Document Converter.
Learn how to enable form filling in the ASP.NET Document Viewer control.
Learn how to display server-side documents in ASP.NET Document Viewer control
Learn to use the new ASP.NET Document Viewer control in Document Studio .NET.
Learn to use the new ASP.NET Document Viewer control in Document Studio .NET.
Learn how to use the ASP.NET Document Viewer in TypeScript projects
Learn to enable text search capability on images using OCR
Learn to display server-side documents and print without preview.
Learn how to enable logger.
Learn to convert your documents to web pages in C# without using Office Automation or unmanaged code.
Video demos of the new features.
Learn to use the new digitization feature of Document Studio .NET.
A free Visual Studio extension for viewing DOCX, DOC and PDF files from within the IDE.
Learn to use the new "EMailAction" action class.
Learn to create PDF portfolios using Document Studio .NET.
Learn about the new Document Studio .NET edition that is totally free!
Learn to do this with DocumentViewer and DocumentPrinter controls of Document Studio .NET.
Learn to display server-side documents and print without preview.
Learn to use the latest mail-merge functionality in Document Studio .NET.
Learn to create a simple multi-format document-printing application in C#.
Learn to use Document Studio .NET's WPF document viewer control.
No software printer. No ActiveX. No Office Automation… No headaches! Just a few lines of C# to convert DOCX to PDF.
Display and print DOC, DOCX, XLS, XLSX, ODS, PDF, BMP, PNG, JPG, WMF, EMF and (single-frame and multi-frame) TIFF files using C#.
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