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image watermarking

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  1. Evaluation Limitations and Licensing | GroupDocs

    Note GroupDocs.Metadata also works without the license in trial mode with certain limitations Evaluation version limitations You can easily download GroupDocs.Metadata for evaluation. The evaluation download is the same as the purchased download. The evaluation version simply becomes licensed when you add a few lines of code to apply the license. You will face following limitations while using the API without the license. API Limitations Document properties (Pdf, Word, Excel, PowerPoint, Visio, etc) Only first 5 properties can be read XMP API Only first 2 XMP schemes can be read EXIF API GPS IFD and Image thumbnail are unavailable Only first 5 properties can be read IPTC API Only first 5 properties can be read Id3v2, Lyrics3, APEv2 tags Only first 5 properties can be read QuickTime atoms Only first 5 atoms can be read File open Open maximum 15 files, otherwise, API throws exception File save Not supported in trial mode Licensing The license file contains details such as the product name, number of developers it is licensed to, subscription expiry date and so on....Watermark Product Solution GroupDocs...be read EXIF API GPS IFD and image thumbnail are unavailable Only...

    docs.groupdocs.com/metadata/java/evaluation-lim...
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  2. Implement custom serialization with QR-Code sig...

    This article explains how to implement custom serialization for QR-code electronic signatures....Watermark Product Solution GroupDocs...into metadata signature to Image document. using ( Signature...

    docs.groupdocs.com/signature/net/implement-cust...
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  3. Convert EML to PDF Using C#

    Learn how to Convert EML to PDF using C# with a simple C# code to transform EML files into PDF, leveraging GroupDocs.Conversion for fast email document AI conversion....Watermark Product Family GroupDocs.Merger...options such as page size, image handling, and security features...

    kb.groupdocs.com/conversion/net/convert-eml-to-...
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  4. Working with XMP metadata | GroupDocs

    This article shows how to access XMP metadata in a file of any supported format....Watermark Product Solution GroupDocs...gets XMP properties of a PNG image and displays them on the screen...

    docs.groupdocs.com/metadata/nodejs-java/working...
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  5. Deleting multiple signatures of different types...

    This article shows how to delete multiple electronic signatures different ways with GroupDocs.Signature API....Watermark Product Solution GroupDocs...BaseSignature >(); // collect image signatures to delete for ( BaseSignature...

    docs.groupdocs.com/signature/java/deleting-mult...
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  6. Split a worksheet into pages | GroupDocs

    This topic describes how to use the GroupDocs.Viewer .NET API (C#) to split worksheets into pages when rendering spreadsheet files to HTML, PDF, and Image formats....Watermark Product Solution GroupDocs...worksheet onto pages. In the image below, the vertical page break...

    docs.groupdocs.com/viewer/net/split-worksheet-i...
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  7. Password Protect PDF Files in C# | Lock Unlock PDF

    Let's learn how to lock PDF files with password protection using C#. Change the existing password or remove it to unlock the PDF files using .NET API....discussed adding text and image watermarks to the documents to avoid...Protect PDF Files Online Watermark PDF Files using C# How to...

    blog.groupdocs.com/merger/lock-unlock-pdf-files...
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  8. OCR support | GroupDocs

    This article demonstrates 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...Watermark Product Solution GroupDocs...character recognition, OCR) on images, either separate or embedded...

    docs.groupdocs.com/search/net/ocr-support/
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  9. eSign document with Barcode signature | GroupDocs

    This article explains how to add Barcode signature on document page with various options like barcode type, barcode text, positioning, alignment and other visual settings with GroupDocs.Signature...Watermark Product Solution GroupDocs...Generally speaking, barcode is an image of a rectangular form that consists...

    docs.groupdocs.com/signature/net/esign-document...
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  10. How to search signatures with predicate functio...

    This article explains how to search signatures using predicate functions (Func) with GroupDocs.Signature API to filter search results based on custom criteria....Watermark Product Solution GroupDocs...ImageSearchOptions () }; // Filter image signatures by size SearchResult...

    docs.groupdocs.com/signature/net/search-signatu...
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