Rather than sending multiple PDF files separately, it is more convenient to merge them into a single file. You can also combine PDF documents on related topics, which helps organize files better. To easily merge several PDFs, we discuss the free online PDF merger application to merge PDF files online. We also guide developers on how to merge PDFs programmatically.
We will cover the following points:
Using Free Online PDF Merger
Use our free online PDF merger tool to combine PDFs without any prerequisites. Open the app in your web browser, upload files, and press the Merge button. After processing, you can download the resultant file or copy its link. You don’t have to worry about privacy and security. Our secured server protects uploaded files and removes them automatically after 24 hours.
Steps to Combine PDF Files Online
You are required to follow the simple steps below:
- Open our online converter in your web browser.
- Upload your PDFs.
- Start the combining process by pressing the “Merge” button.
- Copy the link of the resultant file or download it after the merge completes.
Developer’s Guide: Merge PDF Files Programmatically
Combine PDF Files in C#
The following are the steps to merge PDF files in C#.
- Install Conholdate.Total for .NET in your application.
- Use the code below to combine multiple PDF files into one:
using (Merger merger = new Merger(@"c:\sample1.pdf"))
{
merger.Join(@"c:\sample2.pdf");
merger.Save(@"c:\merged.pdf");
}
Java Program to Merge PDF Files
Java developers can follow the steps below to combine multiple PDF files.
- Install Conholdate.Total for Java in your application.
- Use the code below to load and combine the PDF files:
Merger merger = new Merger("c:\\sample1.pdf");
merger.join("c:\\sample2.pdf");
merger.save("c:\\merged.pdf");
FAQs
How to combine multiple PDF files into one?
Upload the PDF files and press the “Merge” button to start the process. Once finished, you can download or copy the link to the resultant file.
What does happen with the uploaded and resultant PDF files?
The uploaded files are removed automatically after 24 hours, while remaining safe and protected during processing.
How can I create my PDF merger app?
You can use our standalone .NET or Java libraries.
Can I get a license to evaluate the library?
You can acquire a free temporary license to test the API without evaluation limitations.
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