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Convert PNG to JPG with NET REST API

In this concise guide, you’ll learn how to convert PNG to JPG using a .NET REST API. We’ll walk through building a PNG‑to‑JPG converter with a C# low‑code API, following the step‑by‑step instructions below. The resulting solution works seamlessly with any .NET application on macOS, Windows, or Linux, and the conversion is completely free.

Prerequisite

Steps to Convert PNG to JPG with NET REST API

  1. Set the Client ID and Client Secret for the API to render PNG to JPG
  2. Instantiate the ImagingAPI class with user credentials to perform PNG to JPG conversion
  3. Specify the source PNG and output JPG file names
  4. Access and load the source PNG file and upload it to cloud storage
  5. Create an instance of the ConvertImageRequest with input PNG file stream and output JPG format
  6. Call the ConvertImage method to convert PNG to JPG with NET REST API
  7. Save the returned JPG file stream on the local disk

The basic steps entail exporting the file type from PNG to JPG with C# Low Code API. We will commence with the initialization of the SDK by using an instance of the ImagingAPI class. We will then load the source PNG file using a FileStream from the disk and then by using a ConvertImageRequest class instance perform the conversion to a JPG using the ConvertImage() method.

Code for PNG to JPG Conversion in NET Low Code API

This concise example shows exactly how to convert PNG to JPG with C# Cloud API. After completing the prerequisite steps, simply provide the file path to the source PNG on disk, and the Aspose.Imaging REST API SDK will render it to JPG. Once the conversion finishes, the resulting JPG image is returned as a file‑stream response, which you can then save locally.

Throughout this guide we’ve demonstrated how to transform PNG images into JPG using the Cloud API. If you’d like to explore another format, check out our step‑by‑step tutorial on converting PNG to GIF with the .NET REST API: Convert PNG to GIF with NET REST API.

 

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