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  1. eSign image with Digital signature | GroupDocs

    This article demonstrates how to sign images with digital signatures using steganography (LSB technique) with GroupDocs.Signature for .NET. Learn how to embed invisible digital signatures into PNG and JPG images....Editor Product Solution GroupDocs...powerful free online apps. To sign PDF, Word, Excel, PowerPoint, and...

    docs.groupdocs.com/signature/net/esign-image-wi...
  2. Search for embedded object with custom encrypti...

     This article explains how to search for embedded electronic signatures with custom encryption in QR-code electronic signatures. This topic contains example of custom encryption, class definition and search for encrypted objects in the QR-codes with GroupDocs.Signature....Editor Product Solution GroupDocs...signature = new Signature ( "signed.pdf" ); // create data encryption...

    docs.groupdocs.com/signature/java/search-embed-...
  3. Saving signed images with various output types ...

    This article explains how to save images with various image format types....Editor Product Solution GroupDocs...use the online app. To sign PDF, Word, Excel, PowerPoint, and...

    docs.groupdocs.com/signature/net/save-signed-im...
  4. Search for embedded object with custom encrypti...

    This article explains how to search for embedded electronic signatures with custom encryption in document metadata. This topic contains example of custom encryption, class definition and search for encrypted objects in the document metadata with GroupDocs.Signature....Editor Product Solution GroupDocs...powerful free online apps. To sign PDF, Word, Excel, PowerPoint, and...

    docs.groupdocs.com/signature/net/search-for-emb...
  5. Getting Document Information | GroupDocs

    This article explains how to detect the document file type and calculate the number of pages when converting a file with GroupDocs.Conversion for Java....Editor Product Solution GroupDocs...document information: PDF Documents For PDFs, additional information...

    docs.groupdocs.com/conversion/java/get-document...
  6. Adding repeated watermarks | GroupDocs

    The GroupDocs.Watermark allows to add repeated or tiled watermarks to documents...Editor Product Solution GroupDocs...= new Watermarker ( "sample.pdf" )) { // Initialize the font...

    docs.groupdocs.com/watermark/net/adding-repeate...
  7. Working with metadata in Matroska (MKV) files |...

    Reading matroska format-specific properties The GroupDocs.Metadata API supports extracting format-specific information from MKV files. The following are the steps to read native MKV metadata. Load an MKV video Get the root metadata package Extract the native metadata package using MatroskaRootPackage.MatroskaPackage Read the Matroska metadata properties on different levels of the format structure AdvancedUsage.ManagingMetadataForSpecificFormats.Video.Matroska.MatroskaReadNativeMetadataProperties using (Metadata metadata = new Metadata(Constants.InputMkv)) { var root = metadata.GetRootPackage(); // Read the EBML header Console....Editor Product Solution GroupDocs...to view and edit metadata of PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

    docs.groupdocs.com/metadata/net/working-with-me...
  8. Sign documents with QR-code embedded object | G...

    This article explains how to create encrypted QR-code electronic signature with embedded custom object...Editor Product Solution GroupDocs...signature = new Signature ( "sample.pdf" ); // setup key and passphrase...

    docs.groupdocs.com/signature/java/sign-document...
  9. Date range search | GroupDocs

    This article gives the knowledge that how to search by date with date range search....Editor Product Solution GroupDocs...welcome to search over your PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

    docs.groupdocs.com/search/net/date-range-search/
  10. Extract text from Microsoft Office Word documen...

    To extract a text from Microsoft Office Word documents getText and getText(int) methods are used. These methods allow to extract a text from the entire document or a text from the selected page. TextOptions parameter is ignored for Microsoft Office Words documents. Here are the steps to extract a text from Microsoft Office Word document: Instantiate Parser object for the initial document; Call getText method and obtain TextReader object; Read a text from reader....Editor Product Solution GroupDocs...documents and extract data from PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

    docs.groupdocs.com/parser/java/extract-text-fro...