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Compare PDF Files using C# REST API

This tutorial guides on how to compare PDF files using C# REST API. You will learn the PDF to PDF comparison using C# REST Interface with the help of a .NET-based Cloud SDK. It has complete steps to upload source PDF files, perform the comparison in the Cloud storage, and download the result of the comparison.

Prerequisite

Steps to Compare PDF Documents using C# Low Code API

  1. Start by including the Aspose.PDF Cloud SDK and the basic .NET libraries needed to work with files
  2. Initialize the PdfApi using your Aspose Cloud credentials so your app can talk to the service
  3. Decide which PDF is the original, which one you want to compare it with, and what to name the comparison result
  4. Open the first PDF file and upload it to the Aspose Cloud storage
  5. Open the second PDF file and upload it to the cloud as well
  6. Run the PDF comparison operation to generate a new file showing the differences
  7. Verify the API response to make sure the comparison completed successfully
  8. If everything went well, download the resulting PDF and save it to your local system
  9. Show a clear message if the comparison fails, so the issue is easy to identify

These steps summarize the process to compare two PDF files using C# REST API. First, connect to the Aspose PDF Cloud service, choose the two PDFs you want to compare, and upload them to the cloud. Then run the comparison, check that it completed successfully, and download the result showing the differences.

Code for PDF Comparison Tools using C# .NET-based API

Compare two PDFs using C# Low Code API demonstrated in the above sample code. Ensure that input files are already present in the Cloud storage. The output file name is specified in the PostComparePdf() method, and it should be used for downloading it as well.

This article has taught us the process to compare two PDF documents using C# REST Interface. To change the password of a PDF file, refer to the article Change PDF Password using C# REST API.