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  1. Add Watermark to PDF using C# | Text and Image ...

    Add image watermarks or apply text watermarks to Pdf files using C#. Either watermark all or selective pages of Pdf using .NET Watermarking API....programmatically add the watermarks to PDF files using C#. We will separately...Text Watermark to PDF Apply Image Watermark to PDF .NET Watermarking...

    blog.groupdocs.com/watermark/watermark-pdf-file...
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  2. eSign PDF with Metadata signature | GroupDocs

    This article explains how to add metadata signatures to Pdf document meta info layer with GroupDocs.Signature...Metadata signature / ✎ PDF Metadata eSign PDF with Metadata signature...signature objects for instance. PDF document metadata is hidden attributes...

    docs.groupdocs.com/signature/java/esign-pdf-wit...
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  3. XLS2003 to PDF conversion produces an invalid P...

    After I updated ‘groupdocs-conversion’ for Java from 25.6 to 25.8 conversion to Pdf for XLS2003 results in a Pdf that I can’t open with a Pdf viewer like Preview. Attaching the file that I can reproduce the issue with d…...XLS2003 to PDF conversion produces an invalid PDF after updating...conversion to PDF for XLS2003 results in a PDF that I can’t open...

    forum.groupdocs.com/t/xls2003-to-pdf-conversion...
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  4. Convert Common Document Types to PDF and Image ...

    Meet the all new GroupDocs.Conversion for Java library – a multi-format document converter with support for Microsoft Word, Excel, PowerPoint, Visio, Pdf & image files. Just like all GroupDocs Java libraries, GroupDocs.Conversion is designed as a middleware to make it easy to integrate the converter into any ECM, CMS, or Java app. In this first release, the library already supports over 50 file formats and allows you to convert literally all common business documents to Pdf and raster images....Word, Excel, PowerPoint, Visio, PDF & image files. Just like all...common business documents to PDF and raster images. To name just...

    blog.groupdocs.com/conversion/convert-common-do...
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  5. Extract text from PDF documents | GroupDocs

    To extract a text from Pdf 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. Here are the steps to extract a text from Pdf document: Instantiate Parser object for the initial document; Call getText method and obtain TextReader object; Read a text from reader. Warning getText method returns null value if text extraction isn’t supported for the document....Extract data from PDF documents / Extract text from PDF documents Extract...Extract text from PDF documents Leave feedback To extract a text...

    docs.groupdocs.com/parser/java/extract-text-fro...
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  6. Extract metadata from PDF documents | GroupDocs

    To extract metadata from Pdf documents getMetadata method is used. This method allows to extract the following metadata: Name Description title The title of the presentation. subject The subject of the presentation. keywords The keyword of the presentation. author The name of the presentation’s author. application The name of the application. application-version The version number of the application that created the presentation. created-time The time of the presentation creation. last-saved-time The time of the the presentation when it was last saved....data from PDF documents / Extract metadata from PDF documents...documents Extract metadata from PDF documents Leave feedback To extract...

    docs.groupdocs.com/parser/java/extract-metadata...
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  7. eSign PDF with Metadata signature | GroupDocs

    This article explains how to add metadata signatures to Pdf document meta info layer with GroupDocs.Signature...Metadata signatures / ✍️ eSign PDF eSign PDF with Metadata signature...signature objects for instance. PDF document metadata is hidden attributes...

    docs.groupdocs.com/signature/python-net/esign-p...
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  8. Pdf Digitally signing | GroupDocs

    This article explains how to sign document with Digital electronic signatures using advanced options with GroupDocs.Signature API....Electronic Signatures / ✎ Pdf digitally signing Pdf Digitally signing...signature = new Signature ( "sample.pdf" )) { // initialize digital option...

    docs.groupdocs.com/signature/net/sign-document-...
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  9. Convert PDF to Grayscale JPG & PNG Images in Java

    Transform Pdf documents to grayscale JPG or PNG images in Java. Apply gamma, manage contrast or control brightness within Java application....discuss how to convert color PDF documents to grayscale JPG and...Conversion for Java API to convert PDF documents to grayscale JPG and...

    blog.groupdocs.com/conversion/convert-pdf-to-gr...
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  10. Search text in PDF documents | GroupDocs

    To search a keyword in Pdf documents search(String) method is used. This method returns the collection of SearchResult objects. For details, see Search Text. Here are the steps to search a keyword in Pdf document: Instantiate Parser object for the initial document; Call search(String) method and obtain the collection of SearchResult objects; Iterate through the collection and get the position and text. Warning search(String) method returns null value if search isn’t supported for the document....Extract data from PDF documents / Search text in PDF documents Search...Search text in PDF documents Leave feedback To search a keyword...

    docs.groupdocs.com/parser/java/search-text-in-p...
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