This article explains how to search for encrypted text in QR-code electronic signatures in the document metadata. This topic contains example of standard encryption usage and searching for encrypted text in the QR-code electronic signature with further decryption by Groupdocs.Signature API....Navigation Products GroupDocs.Total Product Family GroupDocs.Viewer Product...Solution GroupDocs.Annotation Product Solution GroupDocs.Conversion...
Learn how to add, search, and remove watermarks from documents and images using Groupdocs.Watermark for Java. Supports text, image, and invisible watermarks for document security....Navigation Products GroupDocs.Total Product Family GroupDocs.Viewer Product...Solution GroupDocs.Annotation Product Solution GroupDocs.Conversion...
This article demonstrates the ability to connect an external module (library) for the recognition of printed text (optical character recognition, OCR) on images, either separate or Embedded in documents...Navigation Products GroupDocs.Total Product Family GroupDocs.Viewer Product...Solution GroupDocs.Annotation Product Solution GroupDocs.Conversion...
Groupdocs.Redaction Product Family on Groupdocs Blog | Document Automation Solutions for .NET & Java Developers Recent content in Groupdocs.Redaction Product Family on Groupdocs Blog | Document Aut......GroupDocs.Redaction Product Family on GroupDocs Blog | Document...content in GroupDocs.Redaction Product Family on GroupDocs Blog |...
Learn how to exclude system pre-installed fonts from HTML markup to reduce rendered document size when rendering documents using Groupdocs.Viewer for Java....Navigation Products GroupDocs.Total Product Family GroupDocs.Viewer Product...Solution GroupDocs.Annotation Product Solution GroupDocs.Conversion...
Groupdocs.Redaction supports both types of image documents for Optical Character Recognition (OCR):
image files, such as printed document scans (PNG, JPG, etc.) Embedded images within office documents (PDF, DOCX, etc.) You have to implement IOcrConnector interface and pass the instance to RedactorSettings constructor.
For more details, see OCR Usage Basics article.
OCR usage limitations There are the following limitations of the OCR with Groupdocs.Redaction for Java v21.6:
textual replacements are not supported, so you have to use color box replacements to redact text in images....Navigation Products GroupDocs.Total Product Family GroupDocs.Viewer Product...Solution GroupDocs.Annotation Product Solution GroupDocs.Conversion...
With Groupdocs.Viewer for Java you can render files to HTML format. As a simple usecase please see how easily you can convert Microsoft Word to clean html....Navigation Products GroupDocs.Total Product Family GroupDocs.Viewer Product...Solution GroupDocs.Annotation Product Solution GroupDocs.Conversion...
The listed articles below explain how to embeds images as Base64 strings directly in the Markdown....Navigation Products GroupDocs.Total Product Family GroupDocs.Viewer Product...Solution GroupDocs.Annotation Product Solution GroupDocs.Conversion...