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Category Archive: GroupDocs.Signature Product Family
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.
The following topics are covered in this article:
- Barcode Generator API for Java
- Apply Barcode to documents in Java
- Apply Barcode to images in Java
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. Futher you will see, how the generated barcodes can be applied to any of your documents and images using C#.
The following topics are covered n this article:
- Barcode Generator API for .NET
- Generate & apply barcode to documents in C#
- Generate & apply barcode to images in 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#.
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.
I will be using GroupDocs.Signature for Java API to add QR codes in PDF files, word documents, spreadsheets, presentations, and images like JPG/JPEG, PNG, WebP, BMP, GIF, SVG, CMX, and TIFF.
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.
In this article, we will be learning to programmatically verify the digitally signed documents using Java. The example uses PDF document for the verification, however, you may also perform verification of digitally signed word processing documents like MS Word DOC/DOCX, Excel spreadsheets XLS/XLSX, and presentations PPT/PPTX.
Electronic Signature is the digital data that is attached to an electronically transmitted document. It verifies the sender’s intention to sign the document.
As a developer, you can programmatically sign documents and also verify if the document is properly signed with the right signature. GroupDocs.Signature for .NET API provides many such features and gives you complete control over the electronic signing process. It provides different electronic signature implementations, like:
- Text Signatures (text, annotations, watermarks, stickers)
- Image Signature – with options like
We are back with a major update for our customers who are using the eSign API – GroupDocs.Signature for Java. We have performed major product optimization and revamped the architecture which has made the API more memory efficient and easy to use. We have also added the support of a couple of new file formats. Let’s have an overview of this amazing release and check out what you would get after upgrading to API v2.
What is New in… Continue Reading
With the release of version 19.10 of our electronic signature API – GroupDocs.Signature for .NET, we have introduced the features of searching text signatures and image signatures in the supported document formats. Not only this, the API now supports .NET Standard 2.0 which makes it compatible with any .NET implementation that targets .NET Standard specifications. So let’s have a brief overview of what is new, improved or fixed in the latest release.
Searching Text or Image Signatures
Text and … Continue Reading
We are back with another monthly release of our eSign API – GroupDocs.Signature for .NET. This release includes three new features, three improvements, and a bug fix. So in this article, I’ll give you a walk-through of the latest release.
Support of Z-Order for Text Signatures
Z-order determines the order for the overlapping, two-dimensional objects in an x-y plane. Put it simply, if X-axis represents the width and Y-axis represents the height then Z-order will represent the depth of … Continue Reading