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  1. Secure PDFs with Password Protection & Permissi...

    Step-by-step guide to implementing PDF document security with GroupDocs.Signature - add passwords, set user permissions, and control document access for enhanced protection...required signature options, such as QR codes, text, or images, depending...password: // Example: Adding QR code signature and password-protecting...

    blog.groupdocs.com/signature/protect-signed-pdf...
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  2. GroupDocs.Total Product Family

    Document Automation APIs to enrich .NET and Java applications to view, edit, annotate, convert, compare, e-sign, parse, split, merge, redact, or classify documents of almost all the popular file formats....including; text, image, barcode, QR code, stamp and metadata to a...

    blog.groupdocs.com/categories/groupdocs.total-p...
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  3. Obtain document form fields and signatures info...

    This article shows how to get information about electronic signatures in the document and its form fields with GroupDocs.Signature API.... print ( "Document QR-Code signatures : " + documentInfo...

    docs.groupdocs.com/signature/java/obtain-docume...
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  4. 在 Word、Excel、PowerPoint、PDF 中使用 C# 搜索图像签名

    使用 .NET Signature API 从 C# 中的任何文档(DOC、XLS、PPT、PDF) 中搜索条形码、二维码、数字或电子签名以及图像数据内容。... // Search QR Code Signatures in PDF document...

    blog.groupdocs.com/zh/signature/search-image-si...
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  5. GroupDocs.Total for Python via .NET Overview | ...

    GroupDocs.Total for Python via .NET is a comprehensive collection of all GroupDocs on-premise .NET APIs, compiled monthly to include the latest versions for document processing and automation....documents with text, image, barcode/QR, and digital signatures. Getting...

    docs.groupdocs.com/total/python-net/product-ove...
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  6. Generate signature preview | GroupDocs

    This topic explains how to get signature preview with the SignOptions by GroupDocs.Signature API.... QR ); // setup Data property with...

    docs.groupdocs.com/signature/java/generate-sign...
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  7. GroupDocs Newsletter August 2018 – .NET and Jav...

    Share this issue: Monthly NewsletterAugust 2018 Text and Metadata Extraction APIs for Java Applications Accurately Parse MS Office, Emails, Zip and Legal Documents GroupDocs.Parser is a Java document parsing and text extraction API for analyzing documents thus allowing users to extract metadata, raw and formatted text from the supported document formats (Word, Excel, PowerPoint, PDF, OneNote, Visio, Text, HTML, Zip, Markdown and Email messages). The API performs content parsing operations with highest level of accuracy and speed....add and search custom object to QR-Code signatures. Read more details...

    blog.groupdocs.com/total/groupdocs-newsletter-a...
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  8. How to generate barcode and sign document using...

    This guide describes how to improve your document with generated barcodes using C#. Sign your documents with Codabar, Event or Code39Extended using GroupDocs.Signature .NET API by GroupDocs....with data encrypted in Bar or QR codes using C# in .NET applications...

    docs.groupdocs.com/signature/net/how-to-generat...
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  9. How to generate barcode and sign document using...

    This guide describes how to improve your document with generated barcodes using Python. Sign your documents with Codabar, Event or Code39Extended using GroupDocs.Signature Python API by GroupDocs....with data encrypted in Bar or QR codes using Python. Python API...

    docs.groupdocs.com/signature/python-net/how-to-...
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  10. Search for encrypted objects Metadata signature...

     This article explains how to search for encrypted electronic signatures in the document metadata. This topic contains example of using standard encryption, serialization, class definition and search for embedded objects in the document metadata with GroupDocs.Signature....with same parameters as secured QR-code was signed with. Create...

    docs.groupdocs.com/signature/java/search-for-en...
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