GroupDocs GroupDocs.Signature for .NET
GroupDocs.Signature for .NET

GroupDocs.Signature for .NET

Developers can use the GroupDocs.Signature for .NET API to create dynamic Digital Signature applications in .NET can programmatically eSign digital business documents including PDFs, images, OpenDocument, Microsoft Word, Excel spreadsheets, PowerPoint presentations and other popular file formats without requiring 3rd part software. 

GroupDocs.Signature for .NET Developer Small Business License type: Developer, .NET
£705.00
GroupDocs.Signature for .NET Developer OEM License type: Developer, .NET
£1,410.00
GroupDocs.Signature for .NET Site Small Business License type: Developer, .NET
£3,525.00
GroupDocs.Signature for .NET Site OEM License type: Developer, .NET
£9,870.00

Overview

Developers can use the GroupDocs.Signature for .NET API to create dynamic Digital Signature applications in .NET can programmatically eSign digital business documents including PDFs, images, OpenDocument, Microsoft Word, Excel spreadsheets, PowerPoint presentations and other popular file formats without requiring 3rd part software. This electronic signature library is easy to use, and application developers can add superior digital signature features in their applications and empowering secure eSign features, search and verify e-Signatures from popular formats and supports a variety of signature types including Text, Image, Barcode, QR-code, Form Field, Metadata and a lot more.

GroupDocs.Signature for .NET includes comprehensive search options to detect the required signatures on a document. Developers can apply signature styling, appearance configuration and customise signature properties likes alignment, dimensions, shadow and more.

GroupDocs.Signature for .NET supports the following file formats:

Microsoft Office Formats

  • Word: DOC, DOCX, DOCM, DOT, DOTX, DOTM, RTF, TXT
  • Excel: XLS, XLSX, XLSM, XLSB, XLTX, XLTM, TSV, CSV
  • PowerPoint: PPT, PPTX, PPS, PPSX, POTM, POTX, PPTM, PPSM

Images & Other Formats

  • Images: JPG, BMP, PNG, TIFF, GIF, DCM, WEBP
  • OpenDocument: ODT, OTT, OTS, ODS, ODP, OTP, ODG
  • Jpeg2000: JP2, JPF, JPX, J2K, J2C, JPM
  • Metafiles: EMF, WMF, CMX
  • Portable: PDF
  • Scalable Vector Graphics: CDR, SVG
  • Adobe Photoshop: PSD
  • Others: DJVU
     

Add Digital Signatures Easily

The GroupDocs.Signature for .NET library gives developers the capability to insert diverse eSignatures. The supported Signatures include QR-Code, Barcode, Text, Image, Digital, Stamp and Metadata.

Barcode Signature Types Supported

GroupDocs.Signature for .NET supports a large number of barcode types including Code39Standard, EAN14, EAN8, ITF14, Code128, Code39Extended, UPCE and UPCA. “AllTypes” static objects are provided to support registered barcodes.

Search Signatures & Certificates

GroupDocs.Signature for .NET API, gives developers the features to search for Digital certificates in word, Excel, and PDF documents. They can also get all certificates registered in the system. Metadata signatures can also be located in Word and Excel documents, images and PDF files.

Using GroupDocs.Signature for .NET API, developers are able to scan QR-Code, and Barcode signatures in documents, presentations, spreadsheets, images, and PDF files, and get the search progress and search custom data object from files signed using QR-Code Signatures.

Enhanced Search Preferences for Barcode

Developers can search and locate barcodes using the GroupDocs.Signature for.NET API. This enables developers to scan barcodes on a specific page, search entire documents, specify different pages to scan (first, last, even, odd), search for barcodes of particular encoding type, search barcodes based on specific text strings, or search barcode based on string with “contains” option.

Features

Create, Search, Update, Hide, Verify and Delete e-Signatures from Supported Document Formats
Specify XML Advanced Electronic Signatures (XAdES) for Excel Spreadsheets
Retrieve Image Content from Documents Signed with QR-Code, BarCode & Image Signatures
Set Height, Width, Margins & Alignment for Text or Image Signature & Place on Specific Page
Search, Verify and Digitally Sign PowerPoint Presentation Documents
Sign Word Processing Document Formats with Native Text Watermarks
Supports Rounded Corners for Rectangular Stamp Signature Types
Apply Text or Image Signature on Specific Excel Sheet or Set eSignature across all Sheets
Specify Particular Row & Column Number to Place Text or Image Signature in Excel Sheet
Apply Shadow to Text Signature in Microsoft PowerPoint & Setup its Color, Angle & Transparency
Configure Text Signature Border Styles & Font Options for Excel Sheets
Set Image Signature Type, e.g. Round or Square & Configure Margins, Font Color, Rotation
Apply Digital Certificates to Documents, Spreadsheets & PDF File with Signature Line
Perform Color Settings, Apply Transparency & Rotation to Text Signature
Setup Brightness & Grayscale Options & Specify Indentation of Image Signature in an Image
Embed Custom Objects, Serialise as well as Encrypt and Decrypt Metadata Signature Values of PDF Document
Hide, Remove or Customise the Appearance of Digital Signatures from PDF Documents
Sign PDF Documents with Digital Form Field, and Text Signature as Image, Annotation, Sticker or Watermark
Put Text Signature into Form Fields of MS Word & PDF Documents
Specify Arbitrary Pages of Documents for Processing Signature or eSignature Extended Verification for Word Files
Save Signed Image File in Different Format & Export Signed Spreadsheet as Image or Multi-Page TIFF
Assign, Modify & Remove Password to Signed Files & Apply eSignature to Password Protected Files
eSign Worksheets, PowerPoint Slides, Word Documents & Images with Custom Objects in Metadata
Setup Signature Brush Styles as Solid, Texture, Linear Gradient & Radial Gradient
Sign Documents with Custom Encrypted QR-Code Text or Data
Search & Sign Files with DjVu Format as Image Document
Extract Document Information, e.g., Page Count, through File URL
Search, Sign & Verify CorelDraw Files as Image Documents
Keep History of Processed or Deleted Signatures Information Stored in the Metadata
Add Custom Data Object, VCard or Email Object to QR-Code & Verify Encrypted QR-Code in PDF Files