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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. Extracting MakerNote metadata | GroupDocs

    What is MakerNote? MakerNote metadata refers to image information that is written by digital cameras of different manufacturers. Usually, MakerNote metadata properties contain camera settings and some other conditions under which the shot was taken. Most manufacturers store MakerNote properties in a proprietary binary format derived from EXIF. GroupDocs.Metadata allows extracting MakerNote metadata saved by the following manufacturers: Canon Nikon Panasonic Sony Read all MakerNote properties in the form of TIFF/EXIF tags Utilizing the GroupDocs....Watermark Product Solution GroupDocs...to view and edit metadata of PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

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  4. Generate signature preview | GroupDocs

    This topic explains how to get signature preview with the SignOptions by GroupDocs.Signature API....Watermark Product Solution GroupDocs...Apps. You are welcome to eSign PDF, Word, Excel, PowerPoint documents...

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  5. 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...

    docs.groupdocs.com/metadata/java/handling-the-l...
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  6. 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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  7. 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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  8. 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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  9. Indexing password protected documents | GroupDocs

    This article demonstrates that how to perform indexing of password protected documents....Watermark Product Solution GroupDocs...@"C:\MyDocuments\ProtectedDocument.pdf" ); index . Dictionaries . DocumentPasswords...

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  10. Deleting QR-code signatures - advanced | GroupDocs

    This article shows how to delete QR-code electronic signatures different ways with GroupDocs.Signature API....Watermark Product Solution GroupDocs...signature = new Signature ( "signed.pdf" )) { // read from some data...

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