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pdf watermarking

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  1. Search for encrypted object in QR-code signatur...

     This article explains how to search for encrypted electronic signatures in QR-code electronic signatures. This topic contains example of using standard encryption, serialization, class definition and search for embedded objects in QR-codes with GroupDocs.Signature API....Watermark Product Solution GroupDocs...Signature ( "QRCodeEncryptedObjec.pdf" ); // setup key and passphrase...

    docs.groupdocs.com/signature/java/search-for-en...
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  2. Generate signatures preview | GroupDocs

    This topic explains how to generate document signature preview in Python with various options by GroupDocs.Signature for Python via .NET....Watermark Product Solution GroupDocs...signature . Signature ( "sample.pdf" ) as sign : # create preview...

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  3. Handling the Lyrics tag | GroupDocs

    This article explains how to handle Lyrics tag....Watermark Product Solution GroupDocs...to view and edit metadata of PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

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  4. Working with metadata in EPUB E-Books | GroupDocs

    What is EPUB? EPUB is an e-book file format that uses the “.epub” file extension. EPUB is supported by many e-readers, and compatible software is available for most smartphones, tablets, and computers. Note Please find more information on the format at https://en.wikipedia.org/wiki/EPUB Reading EPUB format-specific properties The GroupDocs.Metadata API supports extracting format-specific information from EPUB files. The following are the steps to read native EPUB metadata. Load an EPUB file Get the root metadata package Extract the native metadata package using EpubRootPackage....Watermark Product Solution GroupDocs...to view and edit metadata of PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

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  5. Working with vCard metadata | GroupDocs

    What is vCard? vCard, also known as VCF (Virtual Contact File), is a file format standard for electronic business cards. vCards are often attached to e-mail messages, but can be exchanged in other ways. They can contain name and address information, telephone numbers, e-mail addresses, URLs, logos, photographs, and even audio clips. Note For more information on the format please see https://en.wikipedia.org/wiki/VCard Getting Simple vCard metadata To access Metadata in a vCard, GroupDocs....Watermark Product Solution GroupDocs...to view and edit metadata of PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

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  6. Extracting property values | GroupDocs

    This article shows knowledge about The most common way to get the metadata property value is to check its type and convert it to the appropriate platform-specific type....Watermark Product Solution GroupDocs...to view and edit metadata of PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

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  7. Extracting property values | GroupDocs

    This article shows knowledge about The most common way to get the metadata property value is to check its type and convert it to the appropriate platform-specific type in Java....Watermark Product Solution GroupDocs...to view and edit metadata of PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

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  8. Extracting metadata | GroupDocs

    Using the GroupDocs.Metadata search engine you can extract desired metadata properties from files of different types. You don’t need to worry about the exact file format and metadata standards it can deal with. The same code will work for all supported formats in the same way. Most commonly used metadata properties are marked with tags that allow searching them across all supported files in various metadata packages. All tags defined in GroupDocs....Watermark Product Solution GroupDocs...to view and edit metadata of PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

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  9. OCR support | GroupDocs

    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...Watermark Product Solution GroupDocs...welcome to search over your PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

    docs.groupdocs.com/search/net/ocr-support/
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  10. Working with vCard metadata | GroupDocs

    What is vCard? vCard, also known as VCF (Virtual Contact File), is a file format standard for electronic business cards. vCards are often attached to e-mail messages, but can be exchanged in other ways. They can contain name and address information, telephone numbers, e-mail addresses, URLs, logos, photographs, and even audio clips. Note For more information on the format please see https://en.wikipedia.org/wiki/VCard Getting Simple vCard metadata To access Metadata in a vCard, GroupDocs....Watermark Product Solution GroupDocs...to view and edit metadata of PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

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