This article explains how to verify signatures using predicate functions (Func) with GroupDocs.Signature API to filter signatures before verification, optimizing performance by skipping unnecessary verification operations....This article explains how to verify signatures using predicate functions (Func) with GroupDocs.Signature API to filter signatures before verification, optimizing performance by skipping unnecessary verification operations.
This article explains how to provide advanced verification of QR Code electronic signatures with GroupDocs.Signature API.... This article explains how to provide advanced verification of QR Code electronic signatures with GroupDocs.Signature API.
The page describes how to add text field annotation to a document programmatically using GroupDocs.Annotation for .NET....The page describes how to add text field annotation to a document programmatically using GroupDocs.Annotation for .NET.
The page describes how to add squiggly annotation to a document using GroupDocs.Annotation for Java....The page describes how to add squiggly annotation to a document using GroupDocs.Annotation for Java.
This article shows how to add an image watermark and save the resultant document. It is capable of adding watermarks to images or documents....This article shows how to add an image watermark and save the resultant document. It is capable of adding watermarks to images or documents.
This article shows how to add a text watermark and save the resultant document. It is capable of adding watermarks to images or documents....This article shows how to add a text watermark and save the resultant document. It is capable of adding watermarks to images or documents.
This section describes GroupDocs.Merger for Node.js via Java supported document types...This section describes GroupDocs.Merger for Node.js via Java supported document types