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  1. 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...

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  2. 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...

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  3. Extract images from PDF documents | GroupDocs

    To extract images from Pdf documents getImages methods are used. By default images are extracted with its original format. With using ImageOptions class it is possible to extract images from Pdf documents as bmp, gif, jpeg, png and webp formats. Warning getImages method returns null value if image extraction isn’t supported for the document. For example, image extraction isn’t supported for TXT files. Therefore, for TXT file getImages method returns null....data from PDF documents / Extract images from PDF documents Extract...Extract images from PDF documents Leave feedback To extract images...

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  4. Use PDF redaction filters | GroupDocs

    This article explains that how to set page-level scope to Pdf redactions....redaction filters / Use PDF redaction filters Use PDF redaction filters...bottom half of the last page in a PDF document. C# using ( Redactor...

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  5. 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...

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  6. Watermarks in PDF document | GroupDocs

    Add watermarks as XObjects, Artifacts, and Annotations using Python via .NET....watermarks / To PDF documents / Watermarks in PDF document Watermarks...Watermarks in PDF document Leave feedback On this page Learn the...

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  7. Extract attachments from PDF portfolios | Group...

    Extract attachments from Pdf portfolios To extract attachments from emails getContainer method is used. This method returns the collection of ContainerItem objects. Here are the steps to extract an attachment text from Pdf Portfolios: Instantiate Parser object for the initial document; Call getContainer method and obtain collection of ContainerItem objects; Check if collection isn’t null (container extraction is supported for the document); Iterate through the collection and get container item names, sizes and obtain content....data from PDF documents / Extract attachments from PDF portfolios...portfolios Extract attachments from PDF portfolios Leave feedback Extract...

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  8. Extract text from PDF documents | GroupDocs

    Learn how to extract text from Pdf documents using GroupDocs.Parser for .NET. Extract text from entire Pdf or specific pages with error handling. Includes Pdf text extraction library C# examples....Extract data from PDF documents / Extract text from PDF documents Extract...Extract text from PDF documents Leave feedback On this page To...

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  9. Find and Replace Text in PDF using C# | Replace...

    Programmatically find certain text, words, phrases in Pdf documents with case sensitivity and RegEx using C#. Replace or hide the text to redact Pdf files....and replace text and words in PDF documents using C# . We will...presentations, spreadsheets, PDF files, and images within .NET...

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  10. 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...

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