Merge PDF using C#
Merge multiple PDF files into single document
Merge PDF C# library allows developers to combine multiple PDF files into a single document, reducing the time and effort required to manage large numbers of individual PDF files. Some of the key features of Merge PDF C# library include retaining page numbering, eliminating duplicate fonts for improved performance, and even generating a table of contents for the merged documents. In addition, merge PDF C# library is a RESTful C# library, which means it can be easily integrated into any application or website. All that's required is a simple C# library call, and the PDF files will be merged into a single document.
Try for FREEC# library install
ConvertAPI provides an ASP.NET C# library that allows you to perform a Merge PDF conversion with just a few lines of code. Merge PDF documents using C# programming language with no effort at all!
Install-Package ConvertApi
Authenticate ConvertAPI C# library
You can obtain your secret key by signing up for a free account. Once you sign up, you'll receive 250 free conversions instantly! Grab your authentication secret from the account dashboard, and authenticate the ConvertAPI C# library like this:
ConvertApi convertApi = new ConvertApi("your-api-secret");
Merge PDF using C# in no time!
Once you have your authentication in place, simply copy-paste this pdf to merge conversion code snippet into your C# project:
Upload the file and see how it works
You can set up the advanced conversion parameters and test the conversion result online using our interactive demo tool. It will auto-generate the code snippet for you!
Advanced Merge PDF conversion parameters
Sets the password to open protected documents.
Keeps the original PDF labels numbering rather than re-numbering merged PDF from the 1 page.
Do not include the same fonts from source PDFs while merging.
Adds a top-level bookmark for each file, using the filename or PDF title from metadata.
Values: disabled filename title
The property scales each page to fit a given page size.
Values: default a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 a10 letter legal
Set page orientation, works only along with PageSize property.
Values: default portrait landscape
Set the page number at which the PDF document should open.