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  1. Convert PDF to Grayscale JPG & PNG Images using C#

    Transform PDF documents to grayscale JPG or PNG images in C#. Apply gamma, manage contrast or control brightness within .NET application....channels and contains a lot of data/noise, hence, more computational...Convert method. The following C# source code converts the PDF document...

    blog.groupdocs.com/conversion/convert-pdf-to-gr...
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  2. Sign documents with standard QR-code entries | ...

    This article explains how to create QR-code electronic signature with standard encoded entries like Address, Email, V-Card, MeCard, EPC/SEPA, Event etc...with embedded and encrypted data in QR-code signatures / Sign...instance of class and pass source document path as a constructor...

    docs.groupdocs.com/signature/java/sign-document...
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  3. Redaction SDK saving text file as xlsx - Free S...

    Hi Team, I have a text file when it’s redacted by the GroupDocs Redaction Java SDK the output is saving as xlsx file instead of as text. This is an unexpected behaviour as the SDK guarantees that it’s saved in native fo…...we want to see the redacted data, but it’s not supposed to happen...Please take a look at these source and output.zip (813 Bytes)...

    forum.groupdocs.com/t/redaction-sdk-saving-text...
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  4. Template Syntax - Part 2 of 2 | GroupDocs

    Expression output and formatting, Data bands, cell merging, numbered lists, charts and enumeration extension methods in GroupDocs.Assembly for Node.js via Java templates....this article use JSON data. The data source name used in templates...<<[d]:"yyyy.MM.dd">> With JSON data, date values are usually stored...

    docs.groupdocs.com/assembly/nodejs-java/templat...
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  5. Sign documents with QR-code embedded object | G...

    This article explains how to create encrypted QR-code electronic signature with embedded custom object...with embedded and encrypted data in QR-code signatures / Sign...Signature: Implement if needed custom data serialization class that implement...

    docs.groupdocs.com/signature/java/sign-document...
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  6. Add Watermark to a Batch of Documents and Image...

    Watermarking is a popular technique to indicate that the content or Data inside a document is copyrighted. On the other hand, it is also used to place the company’s logo or some kind of label in the documents before they are shared within or outside the company. However, it is quite hard to apply the watermark to a bunch of documents one by one. It becomes harder if you have documents of various formats such as PDF, DOCX, PPTX, XLSX, EML, JPG, PNG, etc....indicate that the content or data inside a document is copyrighted...Download the complete ready-to-run source code from GitHub . Contact...

    blog.groupdocs.com/watermark/add-watermark-to-a...
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  7. How to Sign PDF Document with Barcode signature...

    Quickly review the detailed instructions for generating Barcode signature in C# and how to use Barcode digital signature for signing the PDF document....machine-readable representation of data. We will briefly describe how...Signature class and load the source PDF document Create an object...

    kb.groupdocs.com/signature/net/how-to-sign-pdf-...
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  8. Extract Text from Markdown Files using C# | Mar...

    Extract Text from Markdown Files using C#. Parser the mardown files within .NET applications using document parser API by GroupDocs.... The following C# source code extracts the textual content...Document using C# Extract ZIP Files Data in C# Extract Images from EPUB...

    blog.groupdocs.com/parser/extract-text-from-mar...
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  9. Two Ways of Uploading Files into a GroupDocs Ac...

    Working with GroupDocs SDK we usually need a GUID to work with a document. But it’s not very comfortable for users to work with GUIDs. So in your app, you can use two methods to upload a file to a GroupDocs account and get it’s GUID programmatically. Requirements PHP 5.3 Apache ModRewrite PHP Curl extension PHP Sockets extension (php_sockets.dll) GroupDocs PHP SDK composer.phar (Download from http://getcomposer.org/download/ or use the included version....form of the “multipart/form-data” type. This form sends date... private key and local file data) to the controller. The controller...

    blog.groupdocs.com/total/two-ways-of-uploading-...
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  10. PDF File comparison throwing error -2 - Free Su...

    Hello Muhammad, Good day. I appreciate your support. Regarding the error I mentioned below mail please find the screen shot attached. I am attaching sample project which I downloaded from the link you provided earli…...like “E:/Data/SourceFiles/source.docx” and “E:/Data/TargetFiles/target...sample project you have provided source and target files with highlighted...

    forum.groupdocs.com/t/pdf-file-comparison-throw...
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