GroupDocs.Signature
20.11.0
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.
Features:
* 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.
* Update - updates signatures in the documents. Supported signature types:
- Text;
- Image;
- Barcode;
- QR-code.
* Delete - removes signatures from the documents. Supported signature types:
- Text;
- Image;
- 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;
* Image - TIFF, TIF, JPG, JPEG, PNG, GIF, BMP, ICO, JP2, J2C, J2K, JPF, JPX, JPM, WMF, EMF, WEBP, PSD;
For more details on the GroupDocs.Signature for .NET API, please visit product website at:
https://products.groupdocs.com/signature/net
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.
Install-Package GroupDocs.Signature -Version 20.11.0
dotnet add package GroupDocs.Signature --version 20.11.0
<PackageReference Include="GroupDocs.Signature" Version="20.11.0" />
paket add GroupDocs.Signature --version 20.11.0
.NET API for Document Signature
This on-premise .NET API lets your app end-users sign the electronic documents from a wide range of file formats. Supports several types of e-signing methods.
Document Signature Processing Features
- Create and add signatures to documents of various file formats.
- Specify visual attributes of signatures, such as color, font, margins, etc.
- Search and fetch a list of signatures from a document.
- Determine if the document contains signatures meeting specified criteria.
- Extract basic information about the document.
- Generate image representation of document pages for preview.
- Distinguish created signatures from the actual document.
- Put encrypted text into the QR-code signature or embed custom data objects.
New Features & Enhancements 
- Implemented the additional customization of
PDF
Digital Signature appearance. - Improved the save feature of Open Office documents with the
OTT
file format. - Implemented support of Native Text Signature implementation on the Image documents.
- The Class
PdfDigitalSignature
has been updated as theAuthority
property has been removed.
Please visit GroupDocs.Signature for .NET 20.11 Release Notes for the detailed notes.
Signature Supported Formats
The following section lists the supported file formats for the barcode, image, QR-code, stamp, and text signature types:
Microsoft Word: DOC, DOCM, DOCX, DOT, DOTM, DOTX
Microsoft Excel: XLSX, XLS, XLSB, XLSM, XLTX, XLTM
Microsoft PowerPoint: PPTX, PPTM, PPT, PPSX, PPSM, PPS, POTX, POTM
OpenOffice: ODT, OTT, ODS, OTS, ODP, OTP
Image: BMP, GIF, JPG, JPEG, PNG, SVG, TIF, TIFF, WEBP
CorelDraw: CDR, CMX
Photoshop: PSD
Metafile: WMF
Portable: PDF
Digital Signature Supported Formats
Microsoft Word: DOC, DOCM, DOCX, DOT, DOTM, DOTX
Microsoft Excel: XLSX, XLS, XLSB, XLSM, XLTX, XLTM
OpenOffice: ODS, OTS
Portable: PDF
FormField Signature Supported Formats
Microsoft Word: DOC, DOCM, DOCX, DOT, DOTM, DOTX
Microsoft Excel: XLSX, XLS, XLSB, XLSM, XLTX, XLTM
OpenOffice: ODS, OTS, ODP
Portable: PDF
Metadata Signature Supported Formats
Microsoft Word: DOC, DOCM, DOCX, DOT, DOTM, DOTX
Microsoft Excel: XLSX, XLS, XLSB, XLSM, XLTX, XLTM
Microsoft PowerPoint: PPTX, PPTM, PPT, PPSX, PPSM, PPS, POTX, POTM
OpenOffice: ODT, OTT, ODS, OTS, ODP, OTP
Image: JPG, JPEG, PNG, SVG, TIF, TIFF
Photoshop: PSD
Portable: PDF
Supported Signature Types
- Text stamps
- Text labels
- Text as an image signature
- Image signature
- Digital signature
- Barcode signature
- QR-code signature
- Metadata signature
- Form-field signature
Platform Independence
GroupDocs.Signature for .NET does not require any external software or third party tool to be installed. GroupDocs.Signature for .NET supports any 32-bit or 64-bit operating system where .NET or Mono framework is installed. The other details are as follows:
Microsoft Windows: Microsoft Windows Desktop (x86, x64) (XP & up), Microsoft Windows Server (x86, x64) (2000 & up), Windows Azure
Mac OS: Mac OS X
Linux: Linux (Ubuntu, OpenSUSE, CentOS and others)
Development Environments: Microsoft Visual Studio (2010 & up), Xamarin.Android, Xamarin.IOS, Xamarin.Mac, MonoDevelop 2.4 and later.
Supported Frameworks: GroupDocs.Conversion for .NET supports .NET and Mono frameworks.
Getting Started with GroupDocs.Signature for .NET
Are you ready to give GroupDocs.Signature for .NET a try? Simply execute Install-Package GroupDocs.Signature
from Package Manager Console in Visual Studio to fetch & reference GroupDocs.Signature assembly in your project. If you already have GroupDocs.Signature for .Net and want to upgrade it, please execute Update-Package GroupDocs.Signature
to get the latest version.
Please check the GitHub Repository for other common usage scenarios.
Sign a PDF File and Save it in DOCX Format using C# Code
using (Signature signature = new Signature("sample.pdf"))
{
// create QRCode option with predefined QRCode text
QRCodeSignOptions signOptions = new QRCodeSignOptions("JohnSmith")
{
EncodeType = QRCodeTypes.QR,
Left = 100,
Top = 100
};
PdfSaveOptions pdfSaveOptions = new PdfSaveOptions()
{
FileFormat = PdfSaveFileFormat.DocX,
OverwriteExistingFiles = true
};
// sign document to file
signature.Sign("SignedPdf.docx", signOptions, pdfSaveOptions);
}
Use C# to Search and Delete Signatures from DOCX File
// initialize Signature instance
using (Signature signature = new Signature("signed.docx"))
{
BarcodeSearchOptions options = new BarcodeSearchOptions();
List<BarcodeSignature> signatures = signature.Search<BarcodeSignature>(options);
List<BaseSignature> signaturesToDelete = new List<BaseSignature>();
// collect signatures to delete
foreach (BarcodeSignature temp in signatures)
{
if (temp.Text.Contains("John"))
{
signaturesToDelete.Add(temp);
}
}
// delete signatures
DeleteResult deleteResult = signature.Delete(signaturesToDelete);
if (deleteResult.Succeeded.Count == signaturesToDelete.Count)
{
Console.WriteLine("All signatures were successfully deleted!");
}
else
{
Console.WriteLine($"Successfully deleted signatures : {deleteResult.Succeeded.Count}");
Console.WriteLine($"Not deleted signatures : {deleteResult.Failed.Count}");
}
Console.WriteLine("List of deleted signatures:");
foreach (BaseSignature temp in deleteResult.Succeeded)
{
Console.WriteLine($"Signature# Id:{temp.SignatureId}, Location: {temp.Left}x{temp.Top}. Size: {temp.Width}x{temp.Height}");
}
}
Product Page | Docs | Demo | API Reference | Examples | Blog | Free Support | Temporary License
.NET API for Document Signature
This on-premise .NET API lets your app end-users sign the electronic documents from a wide range of file formats. Supports several types of e-signing methods.
Document Signature Processing Features
- Create and add signatures to documents of various file formats.
- Specify visual attributes of signatures, such as color, font, margins, etc.
- Search and fetch a list of signatures from a document.
- Determine if the document contains signatures meeting specified criteria.
- Extract basic information about the document.
- Generate image representation of document pages for preview.
- Distinguish created signatures from the actual document.
- Put encrypted text into the QR-code signature or embed custom data objects.
New Features & Enhancements 
- Implemented the additional customization of
PDF
Digital Signature appearance. - Improved the save feature of Open Office documents with the
OTT
file format. - Implemented support of Native Text Signature implementation on the Image documents.
- The Class
PdfDigitalSignature
has been updated as theAuthority
property has been removed.
Please visit GroupDocs.Signature for .NET 20.11 Release Notes for the detailed notes.
Signature Supported Formats
The following section lists the supported file formats for the barcode, image, QR-code, stamp, and text signature types:
Microsoft Word: DOC, DOCM, DOCX, DOT, DOTM, DOTX
Microsoft Excel: XLSX, XLS, XLSB, XLSM, XLTX, XLTM
Microsoft PowerPoint: PPTX, PPTM, PPT, PPSX, PPSM, PPS, POTX, POTM
OpenOffice: ODT, OTT, ODS, OTS, ODP, OTP
Image: BMP, GIF, JPG, JPEG, PNG, SVG, TIF, TIFF, WEBP
CorelDraw: CDR, CMX
Photoshop: PSD
Metafile: WMF
Portable: PDF
Digital Signature Supported Formats
Microsoft Word: DOC, DOCM, DOCX, DOT, DOTM, DOTX
Microsoft Excel: XLSX, XLS, XLSB, XLSM, XLTX, XLTM
OpenOffice: ODS, OTS
Portable: PDF
FormField Signature Supported Formats
Microsoft Word: DOC, DOCM, DOCX, DOT, DOTM, DOTX
Microsoft Excel: XLSX, XLS, XLSB, XLSM, XLTX, XLTM
OpenOffice: ODS, OTS, ODP
Portable: PDF
Metadata Signature Supported Formats
Microsoft Word: DOC, DOCM, DOCX, DOT, DOTM, DOTX
Microsoft Excel: XLSX, XLS, XLSB, XLSM, XLTX, XLTM
Microsoft PowerPoint: PPTX, PPTM, PPT, PPSX, PPSM, PPS, POTX, POTM
OpenOffice: ODT, OTT, ODS, OTS, ODP, OTP
Image: JPG, JPEG, PNG, SVG, TIF, TIFF
Photoshop: PSD
Portable: PDF
Supported Signature Types
- Text stamps
- Text labels
- Text as an image signature
- Image signature
- Digital signature
- Barcode signature
- QR-code signature
- Metadata signature
- Form-field signature
Platform Independence
GroupDocs.Signature for .NET does not require any external software or third party tool to be installed. GroupDocs.Signature for .NET supports any 32-bit or 64-bit operating system where .NET or Mono framework is installed. The other details are as follows:
Microsoft Windows: Microsoft Windows Desktop (x86, x64) (XP & up), Microsoft Windows Server (x86, x64) (2000 & up), Windows Azure
Mac OS: Mac OS X
Linux: Linux (Ubuntu, OpenSUSE, CentOS and others)
Development Environments: Microsoft Visual Studio (2010 & up), Xamarin.Android, Xamarin.IOS, Xamarin.Mac, MonoDevelop 2.4 and later.
Supported Frameworks: GroupDocs.Conversion for .NET supports .NET and Mono frameworks.
Getting Started with GroupDocs.Signature for .NET
Are you ready to give GroupDocs.Signature for .NET a try? Simply execute Install-Package GroupDocs.Signature
from Package Manager Console in Visual Studio to fetch & reference GroupDocs.Signature assembly in your project. If you already have GroupDocs.Signature for .Net and want to upgrade it, please execute Update-Package GroupDocs.Signature
to get the latest version.
Please check the GitHub Repository for other common usage scenarios.
Sign a PDF File and Save it in DOCX Format using C# Code
using (Signature signature = new Signature("sample.pdf"))
{
// create QRCode option with predefined QRCode text
QRCodeSignOptions signOptions = new QRCodeSignOptions("JohnSmith")
{
EncodeType = QRCodeTypes.QR,
Left = 100,
Top = 100
};
PdfSaveOptions pdfSaveOptions = new PdfSaveOptions()
{
FileFormat = PdfSaveFileFormat.DocX,
OverwriteExistingFiles = true
};
// sign document to file
signature.Sign("SignedPdf.docx", signOptions, pdfSaveOptions);
}
Use C# to Search and Delete Signatures from DOCX File
// initialize Signature instance
using (Signature signature = new Signature("signed.docx"))
{
BarcodeSearchOptions options = new BarcodeSearchOptions();
List<BarcodeSignature> signatures = signature.Search<BarcodeSignature>(options);
List<BaseSignature> signaturesToDelete = new List<BaseSignature>();
// collect signatures to delete
foreach (BarcodeSignature temp in signatures)
{
if (temp.Text.Contains("John"))
{
signaturesToDelete.Add(temp);
}
}
// delete signatures
DeleteResult deleteResult = signature.Delete(signaturesToDelete);
if (deleteResult.Succeeded.Count == signaturesToDelete.Count)
{
Console.WriteLine("All signatures were successfully deleted!");
}
else
{
Console.WriteLine($"Successfully deleted signatures : {deleteResult.Succeeded.Count}");
Console.WriteLine($"Not deleted signatures : {deleteResult.Failed.Count}");
}
Console.WriteLine("List of deleted signatures:");
foreach (BaseSignature temp in deleteResult.Succeeded)
{
Console.WriteLine($"Signature# Id:{temp.SignatureId}, Location: {temp.Left}x{temp.Top}. Size: {temp.Width}x{temp.Height}");
}
}
Product Page | Docs | Demo | API Reference | Examples | Blog | Free Support | Temporary License
Release Notes
https://docs.groupdocs.com/signature/net/groupdocs-signature-for-net-20-11-release-notes/
Dependencies
-
.NETFramework 2.0
- Newtonsoft.Json (>= 12.0.3)
-
.NETStandard 2.0
- Microsoft.Extensions.DependencyModel (>= 2.0.4)
- Microsoft.Win32.Registry (>= 4.7.0)
- Mono.Posix.NETStandard (>= 1.0.0)
- Newtonsoft.Json (>= 12.0.3)
- Portable.BouncyCastle (>= 1.8.6.7)
- SkiaSharp (>= 2.80.1)
- System.Diagnostics.PerformanceCounter (>= 4.5.0)
- System.Drawing.Common (>= 4.7.0)
- System.Reflection.Emit (>= 4.7.0)
- System.Reflection.Emit.ILGeneration (>= 4.7.0)
- System.Security.Cryptography.Pkcs (>= 4.7.0)
- System.Security.Permissions (>= 4.5.0)
- System.Text.Encoding.CodePages (>= 4.7.0)
Used By
NuGet packages (2)
Showing the top 2 NuGet packages that depend on GroupDocs.Signature:
Package | Downloads |
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GroupDocs.Total
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
https://docs.groupdocs.com/display/gdtotalproductfamily/GroupDocs.Total+for+.NET
Free support for GroupDocs.Total for .NET is provided on our support forum:
https://forum.groupdocs.com/
|
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Conholdate.Total
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.
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GitHub repositories
This package is not used by any popular GitHub repositories.
Version History
Version | Downloads | Last updated |
---|---|---|
20.11.0 | 91 | 11/30/2020 |
20.10.0 | 227 | 11/2/2020 |
20.9.0 | 306 | 9/30/2020 |
20.8.0 | 301 | 9/1/2020 |
20.7.0 | 246 | 8/2/2020 |
20.6.0 | 300 | 7/1/2020 |
20.5.0 | 303 | 5/31/2020 |
20.4.0 | 1,108 | 4/30/2020 |
20.3.0 | 436 | 3/31/2020 |
20.2.0 | 326 | 2/29/2020 |
20.1.0 | 362 | 2/3/2020 |
19.12.1 | 275 | 1/10/2020 |
19.12.0 | 188 | 12/30/2019 |
19.10.0 | 444 | 10/31/2019 |
19.9.0 | 185 | 9/30/2019 |
19.8.0 | 263 | 8/23/2019 |
19.6.0 | 596 | 6/27/2019 |
19.5.0 | 574 | 5/30/2019 |
19.4.0 | 253 | 4/30/2019 |
19.3.0 | 293 | 3/30/2019 |
18.7.1 | 473 | 8/1/2018 |
18.7.0 | 423 | 7/30/2018 |
18.6.0 | 578 | 6/20/2018 |
18.5.0 | 390 | 5/30/2018 |
18.3.0 | 492 | 3/21/2018 |
18.2.0 | 532 | 2/19/2018 |
18.1.1 | 478 | 1/22/2018 |
18.1.0 | 481 | 1/21/2018 |
17.12.0 | 465 | 12/7/2017 |
17.11.0 | 467 | 11/7/2017 |
17.10.0 | 455 | 10/3/2017 |