Convert PNG to PDF in C# .NET or Free Online Tool

How to Convert PNG to PDF in C#

Follow these simple steps to convert PNG to PDF in C# .NET. View the converted PDF document as HTML without using any external software.

Get the respective assembly files from the downloads or fetch the whole package from NuGet to add Conholdate.Total directly in your workspace.

Create Converter object to convert PNG document
Set the convert options for PDF format
Call Convert method of Converter class instance for conversion to PDF
Set options for HTML viewer
Create Viewer object to view converted PDF as HTML

Free App for PNG to PDF Conversion

	// Supports converting documents between Word, Excel, PowerPoint, Project, Images, Web, Email, Metafiles and Diagram file formats.
	// Supported file formats: https://docs.groupdocs.com/conversion/net/supported-document-formats/

	using (var converter = new GroupDocs.Conversion.Converter("input.jpg"))
	{
	PresentationConvertOptions options = new PresentationConvertOptions { Format = GroupDocs.Conversion.FileTypes.PresentationFileType.Pptx };
	converter.Convert("converted.pptx", options);
	}

	HtmlViewOptions viewOptions = HtmlViewOptions.ForEmbeddedResources("output{0}.html");

	using (Viewer viewer = new Viewer("converted.pptx"))
	{
	viewer.View(viewOptions);
	}

view raw image-to-pptx-conversion.cs hosted with ❤ by GitHub

Frequently Asked Questions (FAQs)

Can I convert PNG files to PDF online without paying anything?

Yes. You can easily convert PNG files to PDF online using our completely free converter. It requires no software installation or user registration—just upload your file, convert and download your PDF.

How do I convert PNG files to PDF using C# code?

Converting PNG files to PDF using C# is straightforward with the Conholdate.Total for .NET APIs. We provide practical, ready-to-use code samples and clear documentation to simplify the integration into your applications.

Do I need to have Microsoft PNG installed to perform PNG-to-PDF conversions with C#?

No. you don’t need Microsoft PNG installed. Conholdate.Total APIs operate independently, allowing you to convert PNG documents directly to PDF format within your .NET applications without PNG itself.

How quickly does your online PNG-to-PDF converter work?

Our online converter is built for speed and efficiency. Most conversions take just a few seconds—even when dealing with larger or more complex PNG files.

Will the online converter preserve formulas and hyperlinks from my PNG files?

Our online PNG-to-PDF converter keeps all your hyperlinks, images, charts and formatting intact. However, PNG formulas are converted into their resulting values in the final PDF, ensuring an accurate and readable document.

Can I automate the PNG-to-PDF conversion on my own servers?

Definitely! You can automate the PNG-to-PDF conversion process using Conholdate.Total for .NET. It’s perfect for handling batch jobs, scheduled conversions, or integrating seamlessly into your backend workflows.

Is it safe to upload my PNG files for online PDF conversion?

Your security and privacy are extremely important to us. Uploaded files are securely processed and automatically deleted from our servers shortly afterward, ensuring your data remains confidential.

Can I convert several PNG sheets into a single PDF using C#?

Yes. you can. Conholdate.Total allows you to select and combine multiple sheets from your PNG workbook into a single PDF document effortlessly.

Does Conholdate.Total for .NET support batch PNG files conversion to other formats?

Yes. Conholdate.Total for .NET supports batch conversion of PNG documents, allowing developers to convert multiple files at once.

Does the PNG to PDF API work with .NET Core, .NET 5 and newer versions?

Absolutely. Our PNG-to-PDF conversion API supports all modern .NET frameworks, including .NET Core, .NET 5, .NET 6, and even .NET 7. This gives you flexibility regardless of your project environment.

Can I add watermarks or passwords to PDFs created from PNG files?

Yes. Conholdate.Total provides convenient features to enhance your PDF documents. You can add watermarks for branding or confidentiality, apply password protection, and even customize other PDF security settings easily during the conversion process.

What file formats for documents and images are supported by Conholdate.Total for .NET?

Conholdate.Total for .NET integrates APIs from Aspose and GroupDocs to enable .NET programmers to perform various document manipulation actions on a wide range of file formats including Word, Excel, PDF, PowerPoint, Visio, HTML and images in .NET, C#, ASP.NET and VB.NET applications.

Can I convert password-protected PNG files to PDF in .NET?

Yes. Conholdate.Total for .NET supports the conversion of password-protected PNG files. With built-in methods to handle encrypted documents, you can securely convert sensitive files to PDF while preserving their confidentiality and integrity.

What are the licensing costs for Conholdate.Total’s PNG to PDF conversion API?

Conholdate.Total for .NET offers a fully functional free trial version for 30 days. Paid plans are available for higher usage levels. Developers should carefully review the pricing and licensing terms before using the document conversion API.

What is PNG file format?

PNG, short for Portable Network Graphics, stands as a raster graphics file format renowned for its lossless data compression and its suitability for displaying images on the web. It has gained significant popularity among graphic designers and photographers who seek to store and showcase high-quality images. One of the distinctive features of PNG files is their support for transparency, setting them apart from JPEG files that cannot contain transparent areas.

The PNG file format provides several advantages that contribute to its appeal. Firstly, it supports 16-bit color, enabling the preservation of more accurate colors during image editing processes. This feature proves valuable for professionals working with intricate color details. Additionally, PNG supports gamma correction, ensuring that images display correctly across various systems. This capability helps to maintain consistent visual quality across different devices and platforms.

Furthermore, PNG employs lossless data compression, allowing for efficient reduction of file size without compromising image quality. This compression technique facilitates faster download times and improved web page loading performance. The smaller file sizes make PNG files more convenient to store, transfer, and share, making them an ideal choice for web-based applications.

PNG files have gained widespread support across major web browsers and operating systems, further contributing to their popularity. This compatibility ensures that PNG images can be reliably viewed and displayed across different platforms and devices, enhancing accessibility and user experience. Moreover, PNG is widely supported by various image editing and drawing software programs, including industry-standard applications like Adobe Photoshop. This compatibility allows professionals to work seamlessly with PNG files, leveraging advanced editing capabilities to achieve their desired outcomes.

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What is PDF file format?

PDF (Portable Document Format) is a widely used document file format developed by Adobe Systems in 1993. It was specifically designed to provide a platform-independent solution for storing and sharing documents across various operating systems and over the Internet. PDFs utilize a vector-based drawing model, storing graphical elements such as lines, shapes, and images as mathematical equations. This unique approach ensures that PDFs are resolution independent, guaranteeing consistent document quality regardless of the viewing device or program.

One of the key advantages of PDFs is their support for a range of security features. Encryption, password protection, digital signatures, and document watermarking are among the security measures available. These features make PDFs highly secure and suitable for sensitive documents, such as medical records, legal documents, government forms, and invoices. The printing industry also heavily relies on PDFs to facilitate electronic communication with customers.

Creating PDFs is a straightforward process, as they can be generated from various electronic document formats, including Word documents, PowerPoint presentations, and webpages. It’s important to note that PDFs are typically not editable directly. To modify the content of a PDF, it must first be converted to a different file format that supports editing. Numerous software programs, many of which are freely available for download, offer the functionality to convert PDFs to editable formats.

PDFs have gained immense popularity and have become a standard method for document sharing due to their versatility, security features, and consistent formatting. Their compatibility across different devices and operating systems ensures seamless document access for users. Additionally, PDFs preserve the layout, fonts, and images of the original document, making them an ideal choice for sharing visually rich content.

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