GroupDocs.Signature 19.8.0

GroupDocs.Signature for .NET is a feature rich library which provides an ability to add stamps, barcodes and QR-codes, text, image, metadata, form field and digital signatures to documents of various formats like PDF, DOCX/DOC, PPTX/PPT, XLSX/XLS, VSDX/VSD, JPG, PNG, TIFF, HTML and many others.
Sign, create, search, verify document signatures for all popular document formats and set different signing options to suit your needs with GroupDocs.Signature for .NET API.

   * Document signatures
       - Digital - signatures based on a certificate file (supported by PDF, Spreadsheet, Words formats);
       - Barcode - adds barcode to document pages (over 60+ different types)
           * PostCodes;
           * Codabar;
           * Code128;
           * Code16K;
           * Code39;
           * Databar;
           * EAN;
           * ISBN;
           * VIN and others.
       - QR-code - adds QR-code to document pages with ability to embed encrypted data into QR-code
           * Aztec;
           * DataMatrix;
           * QR;
           * GS1DataMatrix;
           * GS1QR.
       - Metadata - inserts any data types as hidden document content in a document metadata in a dictionary manner with unique key;
       - Text - different type of text object like text stamp, labels, annotations, watermarks ;
       - Image - places an image to document page;
           * Text as image;
           * Image - various graphics, figures and polylines.
       - Stamp - adds various kind of stamps to document as different stamp shapes circle or rectangle;
       - Form Field - fills document form fields with provided data (for PDF documents only).
   * Search - returns a list of document signatures
       - Digital signatures for Pdf, Spreadsheet, Word documents;
       - Barcodes in all supported document types;
       - QR-codes in all supported document types with ability to decrypt embedded data into any object
       - Metadata signatures in all supported document types;
       - Form-field signatures in all supported document types.
   * Verify - checks that document contains signatures that meet the specified criteria. Supported signature types:
       - Text
       - Digital
       - Barcode
       - QR-code
   * Styling - wide settings range for visualization effects such as text and image opacity, colors, fonts, rotation and other effects;
   * Document basic information - basic metadata for provided source document (size, page count, file type, created/modified dates etc.).

Supported document formats:
   * Portable Document Formats - PDF (PDF/A-1a, PDF/A-1b, PDF/A-2a)
   * Microsoft Word documents - DOC, DOCX, DOCM, DOT, DOTX, DOTM, RTF
   * Microsoft Excel spreadsheets - XLS, XLSX, XLSM, XLSB,
   * Microsoft PowerPoint presentations - PPT, PPTX, PPS, PPSX, PPTM, POTX, POTM, PPSM;
   * Open Document formats - ODT, OTT, ODS, OTS, ODP, OTP;

For more details on the GroupDocs.Signature for .NET API, please visit product website at:

Note: GroupDocs.Signature for .NET will run in evaluation mode. In order to test full features of the product, please request a free 30-day temporary license.

There is a newer version of this package available.
See the version list below for details.
Install-Package GroupDocs.Signature -Version 19.8.0
dotnet add package GroupDocs.Signature --version 19.8.0
<PackageReference Include="GroupDocs.Signature" Version="19.8.0" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add GroupDocs.Signature --version 19.8.0
The NuGet Team does not provide support for this client. Please contact its maintainers for support.
#r "nuget: GroupDocs.Signature, 19.8.0"
For F# scripts that support #r syntax, copy this into the source code to reference the package.

Release Notes


This package has no dependencies.

NuGet packages (2)

Showing the top 2 NuGet packages that depend on GroupDocs.Signature:

Package Downloads
GroupDocs.Total for .NET is a compilation of every .NET API offered by GroupDocs. We compile it on a daily basis to ensure that it contains the most up to date versions of each of our .NET document manipulation APIs. With GroupDocs.Total for .NET developers can use all our APIs with a single license. However, you can order any individual API as well. The APIs we offer include: GroupDocs.Viewer GroupDocs.Annotation GroupDocs.Conversion GroupDocs.Comparison GroupDocs.Signature GroupDocs.Assembly GroupDocs.Metadata GroupDocs.Search GroupDocs.Parser GroupDocs.Watermark GroupDocs.Editor GroupDocs.Merger GroupDocs.Redaction GroupDocs.Classification GroupDocs.Total for .NET Documentation Free support for GroupDocs.Total for .NET is provided on our support forum:
Conholdate.Total for .NET is a complete package to work with a large number of file formats from Microsoft Word, Excel, PowerPoint, Outlook, Project, Visio, Adobe Acrobat, Illustrator, Photoshop, AutoCAD, OpenOffice and many more. Conholdate.Total for .NET allows you to use any API released under Aspose and GroupDocs for .NET in order to create, convert, read, edit, update and print popular document formats. Moreover, you may view, annotate, watermark, assemble, classify, search, redact, parse, merge and compare documents without needing to install the native applications. Conholdate.Total for .NET also includes specialized APIs to read and create barcodes, extract text from images using OCR as well as extract human marked data from questioners, surveys, quizzes, MCQ papers and feedback forms.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version History

Version Downloads Last updated
21.1.0 138 1/28/2021
20.11.0 184 11/30/2020
20.10.0 323 11/2/2020
20.9.0 385 9/30/2020
20.8.0 327 9/1/2020
20.7.0 297 8/2/2020
20.6.0 324 7/1/2020
20.5.0 329 5/31/2020
20.4.0 1,203 4/30/2020
20.3.0 471 3/31/2020
20.2.0 348 2/29/2020
20.1.0 391 2/3/2020
19.12.1 300 1/10/2020
19.12.0 216 12/30/2019
19.10.0 469 10/31/2019
19.9.0 212 9/30/2019
19.8.0 312 8/23/2019
19.6.0 622 6/27/2019
19.5.0 629 5/30/2019
19.4.0 280 4/30/2019
19.3.0 321 3/30/2019
18.7.1 563 8/1/2018
18.7.0 509 7/30/2018
18.6.0 663 6/20/2018
18.5.0 474 5/30/2018
18.3.0 575 3/21/2018
18.2.0 625 2/19/2018
18.1.1 563 1/22/2018
18.1.0 570 1/21/2018
17.12.0 559 12/7/2017
17.11.0 558 11/7/2017
17.10.0 539 10/3/2017
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