GroupDocs.Signature Product Family

Iterative PDF Signing with Digital Certificates

Explore the process of iterative signing for PDF documents, allowing multiple digital signatures without compromising previous ones. Learn the technical implementation and benefits for enterprise use with C#, Java, and Node.js.

Digitally Sign Word Documents with Java

Digitally signing Word documents using a digital certificate ensures the document’s authenticity and integrity. This process acts as a digital seal, guaranteeing that the document originates from you and hasn’t been tampered with.

Sign PDF with Digital Signature Certificate using Java

Signing PDFs with a digital certificate ensures that the document genuine and hasn’t been altered. Let’s embark on a Java-powered adventure as we delve into signing PDF files with ease. In this article, we will discover the art of digital certificates and their role in seamlessly signing PDFs using Java.

Generate QR codes - eSign Documents and Images

How to create the impressive square codes that store information? In this article, we’ll explore an online tool that makes generating QR codes super easy. Additionally, we’ll briefly look into the world of coding with C# and Java to see how it’s done in a snap!

Generate Barcodes - eSign Documents and Images

How those cool barcodes on products are made? In this article, we’re diving into the world of generating barcodes online. Here I will also show you a useful tool and even a sneak peek into the magic code for creating barcodes in Java and C#.

Generate Barcode in Java – Add Barcode to Documents and Images

Barcoding is one of the ways to present the data in a machine-readable format. Barcodes are normally used as the identification for a large number of items. In this article, you will learn how to generate barcodes in Java. Further, you will see, how the generated barcodes can be applied to any of your documents as well as images using Java Signature API within your applications.

Generate Barcode in C# - Add Barcode to Documents and Images

Barcode is way to present the data in machine readable format. Barcodes are normally used for quick identification of large number of items. In this article, you will learn how to generate barcodes within .NET applications. Further you will see, how the generated barcodes can be applied to any of your documents and images using C#.

Sign Documents with Digital Certificate using C#

The digital signature is a trustworthy scheme for verifying the authenticity of your documents. Digital signatures are often used to implement electronic signatures. In this article, you will learn how to electronically sign PDF and Word documents with digital certificates using C#.

Generate QR Code in Java to Sign Documents and Images

QR code (Quick Response code) is the type of 2D Barcodes or matrix barcode. It is the machine-readable label that contains information about the attached item. This article will guide you about programmatically adding QR codes to electronically sign your documents and images using Java.

Generate QR Code in C# to Sign Documents and Images

In this article, we will see how to programmatically add QR codes to electronically sign documents and images using C#. GroupDocs.Signature for .NET is the API to add QR codes in PDF files, word processing documents, spreadsheets, presentations, and images. It supports various electronic signatures for a large list of supported file formats. Among the QR codes, it supports Aztec Code, DataMatrix Code, GS1 DataMatrix, GS1 QR, QR types. The API allows us to add QR codes to JPG/JPEG, PNG, WebP, BMP, GIF, SVG, CMX, and TIFF images and some more image file formats as well.