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  1. Working with metadata in PNG images | GroupDocs

    Reading PNG metadata properties The GroupDocs.Metadata API supports extracting format-specific information from PNG images. The following are the steps to read the native PNG metadata. Load a PNG image Get the root metadata package Extract the native metadata package using PngRootPackage.getPngPackage Read the PNG metadata properties advanced_usage.managing_metadata_for_specific_formats.image.png.PngReadTextChunks try (Metadata metadata = new Metadata(Constants.InputPng)) { PngRootPackage root = metadata.getRootPackageGeneric(); for (PngTextChunk chunk : root.getPngPackage().getTextChunks()) { System.out.println(chunk.getKeyword()); System.out.println(chunk.getText()); if (chunk instanceof PngCompressedTextChunk) { PngCompressedTextChunk compressedChunk = (PngCompressedTextChunk) chunk; System....Viewer Product Solution GroupDocs...to view and edit metadata of PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

    docs.groupdocs.com/metadata/java/working-with-m...
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  2. Working with IPTC IIM metadata | GroupDocs

    This article shows how to access IPTC metadata in a file of any supported format....Viewer Product Solution GroupDocs...org/std/IIM/4.2/specification/IIMV4.2.pdf. Reading basic IPTC IIM properties...

    docs.groupdocs.com/metadata/net/working-with-ip...
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  3. Extracting property values | GroupDocs

    Learn common ways to read metadata property values and handle their types in GroupDocs.Metadata for Python via .NET....Viewer Product Solution GroupDocs...to view and edit metadata of PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

    docs.groupdocs.com/metadata/python-net/extracti...
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  4. Document passwords | GroupDocs

    This article gives the knowledge of the API methods which can be used to perform operations about document passwords or password dictionary using Java....Viewer Product Solution GroupDocs...File ( "c:\\MyIndex\\Protected.pdf" ). getAbsolutePath (); if (...

    docs.groupdocs.com/search/java/document-passwords/
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  5. Update Image Signatures in Document | GroupDocs

    This article explains how to update Image electronic signatures with GroupDocs.Signature for Python via .NET API....Viewer Product Solution GroupDocs... Signature ( "sample_signed.pdf" ) as sign : # Create search...

    docs.groupdocs.com/signature/python-net/update-...
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  6. Composing signature with solid brush background...

     This article explains how to fill signature background with solid brush...Viewer Product Solution GroupDocs...signature = new Signature ( "sample.pdf" ); TextSignOptions options =...

    docs.groupdocs.com/signature/java/composing-sig...
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  7. Scan Barcode from DOCX using Java

    This guide demonstrates how to scan barcode from DOCX using Java, including a code example to help you extract barcode from DOCX in Java easily and efficiently....Viewer Product Family GroupDocs.Comparison...guide on scanning barcodes from PDFs using Java. For a more in-depth...

    kb.groupdocs.com/parser/java/scan-barcode-from-...
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  8. OCR Usage Basics | GroupDocs

    This article explains that how to integrate any paid or free OCR solution....Viewer Product Solution GroupDocs...various document formats like PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

    docs.groupdocs.com/redaction/net/ocr-usage-basics/
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  9. Storing text of indexed documents | GroupDocs

    This article explains that how to store text of indexed documents....Viewer Product Solution GroupDocs...welcome to search over your PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

    docs.groupdocs.com/search/net/storing-text-of-i...
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  10. GroupDocs.Conversion for Node.js via Java overv...

    GroupDocs.Conversion for Node.js is a powerful and intuitive JavaScript converter that supports a variety of file formats (such as Pdf, DOCX, XLSX, PPTX, PNG, JPEG, TIFF and others) without using third-party tools....Viewer Product Solution GroupDocs...and OpenDocument file formats, PDF documents, HTML, CAD, raster...

    docs.groupdocs.com/conversion/nodejs-java/produ...
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