GroupDocs.Signature 19.9.0

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 19.9.0
dotnet add package GroupDocs.Signature --version 19.9.0
<PackageReference Include="GroupDocs.Signature" Version="19.9.0" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add GroupDocs.Signature --version 19.9.0
The NuGet Team does not provide support for this client. Please contact its maintainers for support.

Release Notes


This package has no dependencies.

This package is not used by any popular GitHub repositories.

Version History

Version Downloads Last updated
19.10.0 127 10/31/2019
19.9.0 61 9/30/2019
19.8.0 123 8/23/2019
19.6.0 229 6/27/2019
19.5.0 356 5/30/2019
19.4.0 127 4/30/2019
19.3.0 153 3/30/2019
18.7.1 326 8/1/2018
18.7.0 267 7/30/2018
18.6.0 356 6/20/2018
18.5.0 238 5/30/2018
18.3.0 322 3/21/2018
18.2.0 355 2/19/2018
18.1.1 306 1/22/2018
18.1.0 315 1/21/2018
17.12.0 304 12/7/2017
17.11.0 297 11/7/2017
17.10.0 285 10/3/2017