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pdf watermarking

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  1. Sign documents with encrypted QR-code text | Do...

    This article explains how to create encrypted QR-code electronic signature with GroupDocs.Signature API...Watermark Product Solution GroupDocs...signature = new Signature ( "sample.pdf" )) { // setup key and passphrase...

    docs.groupdocs.com/signature/net/sign-documents...
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  2. Password Protect Word Document | Add Password t...

    Add password to your Word files. Lock Word documents with password protection using free online app & programmatically using GroupDocs.... You can use watermarks, encrypt files, or add passwords...Also # Add Password to Lock PDF Files Lock PowerPoint Presentations...

    blog.groupdocs.com/merger/password-protect-word...
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  3. Convert N consecutive pages | Documentation

    This article demonstrates how to convert consecutive document pages using GroupDocs.Conversion for Java API....Watermark Product Solution GroupDocs...converter . convert ( "converted.pdf" , options ); } public static...

    docs.groupdocs.com/conversion/java/convert-n-co...
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  4. Update Barcode signatures in document | Documen...

    This article explains how to update Barcode electronic signatures with GroupDocs.Signature API....Watermark Product Solution GroupDocs...new Signature ( "sampleSigned.pdf" ); try { BarcodeSearchOptions...

    docs.groupdocs.com/signature/java/update-barcod...
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  5. Update Text signatures in document | Documentation

    This article explains how to update Text electronic signatures with GroupDocs.Signature API....Watermark Product Solution GroupDocs...new Signature ( "sampleSigned.pdf" ); try { TextSearchOptions options...

    docs.groupdocs.com/signature/java/update-text-s...
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  6. Get document information | Documentation

    This article explains how to detect document file type, obtain document details,  retrieve list of existing form fields and added signatures, calculate pages count when processing document file with GroupDocs.Signature....Watermark Product Solution GroupDocs...signature = new Signature ( "sample.pdf" )) { IDocumentInfo documentInfo...

    docs.groupdocs.com/signature/net/get-document-i...
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  7. Indexing additional fields | Documentation

    Sometimes when indexing, it is necessary to associate each document with certain additional metadata, for example, a set of tags, a number in the library catalog, the subject of a document, etc. To accomplish this task, additional fields can be added to each indexed document in addition to those already in the document itself. Additional fields are associated with the document through the arguments of the FileIndexing event that occurs before indexing each added document....Watermark Product Solution GroupDocs...const documents = [ 'Lorem ipsum.pdf' , 'English.docx' , 'Lorem ipsum...

    docs.groupdocs.com/search/nodejs-java/indexing-...
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  8. GroupDocs.Conversion for .NET overview | Docume...

    GroupDocs.Conversion for .NET is a powerful and intuitive library used for file conversion between a variety of supported document and image types without using third-party tools....Watermark Product Solution GroupDocs...and OpenDocument file formats, PDF documents, HTML, CAD, raster...

    docs.groupdocs.com/conversion/net/product-overv...
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  9. Update Text signatures in document | Documentation

    This article explains how to update Text electronic signatures with GroupDocs.Signature API....Watermark Product Solution GroupDocs...new Signature ( "sampleSigned.pdf" )) { TextSearchOptions options...

    docs.groupdocs.com/signature/net/update-text-si...
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  10. Adding metadata | Documentation

    This article shows how to add metadata properties which is the most sophisticated feature of the GroupDocs.Metadata Node.js via Java search engine...Watermark Product Solution GroupDocs...to view and edit metadata of PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

    docs.groupdocs.com/metadata/nodejs-java/adding-...
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