GroupDocs.Signature Product Family Features

• GroupDocs.Signature for .NET is an API that helps you build applications that can sign digital business documents, spreadsheets, presentations, images and PDF files. You can use several types of signature including text, image, barcode and QR-code to digitally secure your files. The digital signature API, allows you to fetch all registered certificates and it gives you advanced search options to quickly locate your required signatures. It also includes an option to customize signature properties, such as, dimensions, shadow, alignment and more.
• GroupDocs.Signature for Java helps you develop applications with electronic signature functionality. You can sign digital documents without installing any external software. It supports the manipulation and management of various types of eSignatures such as image, barcode, QR-code, stamp, text, optical and metadata. All electronic business documents including Microsoft Office Word, PowerPoint presentations, Excel spreadsheets, images, and PDF files can be digitally signed.
• GroupDocs.Signature for Node.js via Java offers a comprehensive set of digital signature options for PDF, Office documents and images. Text, barcodes, images, digital certificates and metadata are available. It enables you to process signed documents, search and validate signatures using various criteria, and extract detailed document information or generate preview images of pages.