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Convert PNG to PDF using Python REST API

Follow this article to Python REST API convert PNG to PDF using the Python Cloud SDK. You will learn to transform PNG to PDF with a RESTful service and see how to handle multiple images in a single PDF.

Prerequisite

  • Create an account and obtain API credentials to convert a PNG file to a PDF.
  • Download the Aspose.PDF Cloud SDK for Python
  • Set up a Python project and add the SDK as a dependency.

Steps to Convert PNG File to PDF using Python REST Interface

  1. Create an instance of the PdfApi class to convert PNG to PDF.
  2. Set the input image file name(s) and the output PDF file name.
  3. Read the image(s) into a memory stream and upload them to Cloud storage for conversion.
  4. Create an image template to handle the uploaded image.
  5. Add as many images as you want to the collection.
  6. Create a conversion request by passing the image list and the OCR flag.
  7. Call the PutImageInStorageToPdf() method to transform the image(s) to PDF.
  8. Check the API response and download the resultant PDF if the operation is successful.

These steps summarize the process of converting a PNG to a PDF using the Python REST API: instantiate PdfApi, define image and PDF names, upload the images, configure the image template, build the conversion request, invoke PutImageInStorageToPdf(), and finally save the generated PDF.

Code to Change a PNG to a PDF using Python‑based API

The sample demonstrates how to convert a PNG to PDF with the Python Low‑Code API. When multiple images are supplied, each image becomes a separate page in the output PDF. Setting IsOCR to true makes the resulting PDF searchable and selectable.

For attaching images to a PDF, see the article Attach image to PDF using Python REST API.

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