Generate & Process PDF in Cloud via C# REST SDK

Enhance your C#, ASP.NET & other .NET cloud applications to create, digitally sign, split, merge, & convert PDF files stored on the cloud.

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Aspose.PDF Cloud

Aspose.PDF Cloud SDK for .NET


Aspose.PDF Cloud SDK for .NET enables developers to program PDF editor, converter and creator apps for cloud platforms. Aspose.PDF Cloud SDK for .NET is distributed under an MIT license and is based on Aspose.PDF REST API.

Aspose.PDF Cloud SDK for .NET enhances your C#, ASP.NET and other .NET supported language code to access and customize images, annotations, watermarks, stamps, form fields, and OCR layers of PDF documents saved on the cloud storage.

Aspose.PDF Cloud SDK for .NET offers your cloud-based C# program to convert PDF to XLS, XLSX, PPTX, DOC, DOCX, MobiXML, JPEG, EMF, PNG, TIFF, GIF, SVG, XML, XPS, FDF, XFDF, EPUB and other formats. It also supports Tex, MHT, PCL, PS, XSL-FO, and Markdown (MD) file formats.


Advanced PDF documents processing Features



Add document text or image header and footer


Add text and image stamps to documents


Delete stamps by ID or all stamps from page or entire document


Read document stamps


Add tables to documents


Delete all tables from specific page or entire document


Read or delete document table by ID


Append multiple documents to an existing one


Set and get multiple types of annotations to documents


Read and download document attachments


Create, read, flatten and update form fields in document


Add, update, read and delete document properties


Encrypt or decrypt document content & Change document password


Add text to document & fetch it as required


Replace single or multiple instances of text in PDF page or entire document

Get Started with PDF Document Processing SDK

It is easy to get started with Aspose.PDF Cloud SDK for .NET and there is nothing to install. Simply create an account at Aspose for Cloud and get your application information. Once you have the App SID & key, you are ready to give the Aspose.PDF Cloud SDK for .NET.

Fetch annotations from a PDF document - .NET

// Get APP_KEY and APP_SID from
PdfApi api = new PdfApi("APP_KEY", "APP_SID");

var response = api.GetDocumentAnnotations("PdfWithAnnotations.pdf", "");


Extensive Features for PDF Conversion

Aspose.PDF Cloud SDK for .NET lets you convert to and from PDF to various other popular file formats. Using it you can convert EPUB, HTML, LaTeX, MHT, PCL, DOC, MOBIXML, PDFA, PPTX, SVG, TIFF, XLS, XLSX, XML, XPS, PS, XSLFo, PCL, BMP, EMF, GIF, JPEG, PNG, and TIFF, to PDF.

You can also convert PDF (with XFA Forms) to PDF with AcroForm. Similarly Aspose.PDF Cloud SDK for .NET allows you to convert PDF to BMP, PDF EMF, GIF, JPEG, PNG, TIFF, DOC, EPUB, HTML, LaTex, MOBIXML, PDFA, PPTX, SVG, XLS, XLSX, XML, and XPS.

Moreover, Aspose.PDF Cloud SDK for .NET allows you to control how a PDF document is converted into a Word processing document. You can choose from “Textbox” mode for preserving the original look of the PDF file or “Flow” mode for multi-level analysis with a focus on being maximally editable.

You can also set document access privileges for PDF files. These privileges include, printing, degraded printing, content modification, content copying, filling in of PDF forms and many more.

Customized Annotations

Aspose.PDF Cloud SDK for .NET supports various types of annotations, such as, text annotation, circle annotation, polygon annotation, polyline annotation, line annotation, square annotation, free text annotation, Highlight annotation, Underline annotation, squiggle annotation, strikeout annotation, caret annotation, ink annotation, link annotation, popup annotation, file attachment annotation, sound annotation, movie annotation, screen annotation, widget annotation, watermark annotation, trap network (TrapNet) annotation, printer mark annotation, redaction annotation, rubber stamp annotation, and rich media annotation.

You can set flags to specify various characteristics of supported annotations. Set visibility, printing restriction, magnification restriction, rotation restriction, make annotations read-only, and other flags.

Using Aspose.PDF Cloud SDK for .NET, annotations can be set to various states such as, marked, unmarked, accepted, rejected, cancelled, completed, or none. It also allows you to set various properties of stamps for PDF documents. These properties include opacity, rotation, alignment, indentation, zoom, and various other properties.

Extract various Elements of PDF Document

Aspose.PDF Cloud SDK for .NET allows you to extract various elements of PDF documents. You can extract PDF document images in GIF, JPEG, PNG, TIFF format and save to a folder. It also allows you to extract PDF document annotations, such as, FileAttachment annotation, screen annotation, sound annotation, and stamp annotation to specified folder.

Make PDF Documents Optimized

Aspose.PDF Cloud SDK for .NET allows you to set various properties to make PDF documents optimized. It enables you to optimize PDF file size by allowing reuse of page content, set compression level of images embedded in PDF document, link duplicate resource streams by storing them as one object, remove document objects without any reference, remove unused streams, and by not embedding the PDF document fonts.


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