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pdf to png

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  1. eSign Image with Metadata signature | GroupDocs

    This article shows how To add metadata signatures To the image exif metadata layer with various data types...This example shows how to sign png image with metadata e-signatures...signature . Signature ( "sample.png" ) as sign : # Create metadata...

    docs.groupdocs.com/signature/python-net/esign-i...
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  2. Supported File Formats | GroupDocs

    GroupDocs.Signature for Python via .NET supports DOCX, DOCM, DOC, DOT, DOTM, XLS, XLSX, Pdf, PPT, JPG, Png, HTML, EML and many more formats....pdf" if signature . FileType . from_extension...✅ Portable Network Graphics (PNG) ✅ ✅ ✅ ✅ ✅ ✅ Adobe Photoshop...

    docs.groupdocs.com/signature/python-net/support...
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  3. Verify Digital signatures in image | GroupDocs

    This Topic explains how To verify digital signatures embedded in images using steganography (LSB technique) with GroupDocs.Signature API....Format Support : Works with PNG and JPG image formats Probability...signing) Supported Formats ✅ PNG - Fully supported ✅ JPG/JPEG...

    docs.groupdocs.com/signature/net/verify-digital...
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  4. Convert to Grayscale in CSharp

    Document AuTomation APIs To enrich .NET and Java applications To view, edit, annotate, convert, compare, e-sign, parse, split, merge, redact, or classify documents of almost all the popular file formats....中，我们将讨论如何使用 C# 将彩色 PDF 文档转换为灰度 JPG 和 PNG 图像格式。...

    blog.groupdocs.com/zh/tag/convert-to-grayscale-...
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  5. Watermark Word Documents | Text and Image Water...

    Add text and image watermarks To Word documents. Apply watermarks using the online watermark application or using .NET and Java libraries programmatically....See Also # Insert Watermark to PDF Insert Watermark to Excel Spreadsheets...Watermark to Images like (JPG, PNG files) Watermark Documents using...

    blog.groupdocs.com/watermark/watermark-word-doc...
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  6. Advanced search for Barcode signatures | GroupDocs

     This article explains how To make advanced search for Barcode electronic signatures with GroupDocs.Signature API....pdf" )) { BarcodeSearchOptions options...ReturnContentType = FileType . PNG }; // search for signatures in...

    docs.groupdocs.com/signature/net/advanced-searc...
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  7. Merge PowerPoint Presentations | GroupDocs

    This article demonstrates how To merge PowerPoint presentation files of PPT, PPTX, ODP and may other formats with couple java code lines and GroupDocs.Merger for Java....formats as well such as PDF, BMP, PNG, JPEG, and XPS. Common Presentation...

    docs.groupdocs.com/merger/java/merge/powerpoint/
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  8. Working with XMP metadata | GroupDocs

    This article shows how To access XMP metadata in a file of any supported format....snippet gets XMP properties of a PNG image and displays them on the...to view and edit metadata of PDF, DOC, DOCX, PPT, PPTX, XLS, XLSX...

    docs.groupdocs.com/metadata/nodejs-java/working...
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  9. Supported File Formats | GroupDocs

    The following article indicates the file formats that GroupDocs.Watermark can work with.... PDF (Adobe Portable Document) format...File Portable Network Graphics (PNG) Tagged Image File Format (TIFF)...

    docs.groupdocs.com/watermark/nodejs-java/suppor...
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  10. 在 ASP.NET Core MVC 中為 140 多種文件格式創建文檔查看器

    在線文檔查看器在數字文檔的使用越來越多之後變得流行起來，尤其是在內容管理系統中。這種流行背後的原因是您無需購買或安裝專用軟件程序即可查看各種文檔格式。考慮到文檔查看器的重要性，我想寫一篇關於如何在 ASP.NET MVC 中創建通用文檔查看器的文章。 我們將創建一個面向 [.NET Core](https://en.wikipedia. org/wiki/.NETCore) 框架。對於後端的文檔呈現，我們將使用 GroupDocs.Viewer for .NET API - 一個強大的文檔查看器 API，支持 140 多種文檔類型，包括 Pdf 、Word、Excel、PowerPoint, Visio、CAD、Outlook 和許多其他流行格式。 為什麼選擇 .NET 核心？ .NET Core 是 Microsoft 對 .NET 生態系統的重要補充。它使得開發跨平台應用程序成為可能，而無需開發人員進行任何額外的工作。這就是我選擇 .NET Core 作為目標框架的原因。 在 ASP.NET Core 中創建文檔查看器的步驟 打開 Visual Studio 並開始一個新項目。 從項目類型中選擇 .NET Core，從模板中選擇 ASP.NET Core Web Application。 選擇 Web Application (Model-View-Controller) 並單擊 Ok 按鈕。 從 NuGet 安裝 GroupDocs.Viewer。 打開 Views/Home/Index.cshtml 文件並將其內容替換為以下內容： @{ ViewData["Title"] = "Home Page"; }