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  1. Iterate through container items | GroupDocs

    This article explains that how to extract containers items and iterate through container items in Java....data from PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX, Emails and more...

    docs.groupdocs.com/parser/java/iterate-through-...
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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, DOC, DOCX, PPT, PPTX, XLS, XLSX, Emails and more...

    docs.groupdocs.com/parser/java/extract-metadata...
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  3. Extract images from Microsoft Office PowerPoint...

    To extract images from Microsoft Office PowerPoint presentations getImages methods are used. By default images are extracted with its original format. With using ImageOptions class it is possible to extract images from Microsoft Office PowerPoint presentations 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, DOC, DOCX, PPT, PPTX, XLS, XLSX, Emails and more...

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  4. Remove metadata properties | GroupDocs

    The easiest way to remove metadata properties from a file is to use corresponding tags that allow you to locate the desired properties across all metadata packages....metadata of PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX, emails, images and...

    docs.groupdocs.com/metadata/nodejs-java/remove-...
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  5. Adding metadata | GroupDocs

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

    docs.groupdocs.com/metadata/nodejs-java/adding-...
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  6. Set metadata properties | GroupDocs

    The set_properties method updates or adds metadata. Use it to add metadata to photos and PDFs or to update data in MP3 files with GroupDocs.Metadata for Python via .NET....metadata of PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX, emails, images and...

    docs.groupdocs.com/metadata/python-net/set-meta...
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  7. Extract metadata from EPUB eBook | GroupDocs

    This article explains that how to extract metadata from EPUB e-books getMetadata method is used....data from PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX, Emails and more...

    docs.groupdocs.com/parser/java/extract-metadata...
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  8. Extracting metadata | GroupDocs

    Extract the metadata properties you need from files of different types with GroupDocs.Metadata for Python via .NET using tags, categories and property attributes....metadata of PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX, emails, images and...

    docs.groupdocs.com/metadata/python-net/extracti...
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  9. Query language specification | GroupDocs

    This article gives the knowledge about the complete specification of the search query DSL used in text queries using Java search API....over your PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX and more with our...

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  10. OCR support | GroupDocs

    OCR support means 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. To connect OCR, you need to implement the IOcrConnector interface in the client code. The following example demonstrates how to implement the OCR connector using com.aspose.ocr library for text recognition in images. String indexFolder = "c:\\MyIndex"; String documentFolder = "c:\\MyDocuments"; // Creating an index Index index = new Index(indexFolder); // Setting the OCR indexing options IndexingOptions options = new IndexingOptions(); options....over your PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX and more with our...

    docs.groupdocs.com/search/java/ocr-support/
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